Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
Steve AI9IN
I use the 857 installed in my truck to work sats, full duplex with SDRplay for receive. It works quite well and should be fully automated with CAT control if I could get the software to play nice once and for all...
No reason you couldn't take the 857 portable if you have a good power source - it even has a nice flip down stand to elevate the front when you put it on a flat surface.
Go for it!
Cheers, Bill VE6WK
On 2016-01-21 10:55 AM, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
Steve AI9IN
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When I first made the move from FM to SSB satellites, I was using just an FT-100D (predecessor to FT-857D.) While it is semi-duplex by itself, as VE6WK suggested you can use it with a second receiver for full-duplex. For several months, I experimented with an FT-857D as my transmitter and FUNcube Dongle Pro+ as my receiver. It made for a very nice "poor man's Flex" station.
The easiest bird to work with a single FT-857D is probably FO-29. You can setup on a fixed transmit/uplink frequency, and tune the downlink to compensate for Doppler shift. I've made many contacts this way in a pinch. My video for the FT-817 on YouTube can be carried out very similarly using an FT-857D: https://www.youtube.com/watch?v=vke3pWkKULU
73 Clayton W5PFG
On 1/21/2016 11:55, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
Steve AI9IN
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
This is exactly the idea I intend to use. I've got and FT-991 and Funcube Dongle Pro. This will be a base station from indoors. I just have to iron out some kinks in my antennas. 73, Michael W4HIJ
On 1/21/2016 1:34 PM, Clayton W5PFG wrote:
When I first made the move from FM to SSB satellites, I was using just an FT-100D (predecessor to FT-857D.) While it is semi-duplex by itself, as VE6WK suggested you can use it with a second receiver for full-duplex. For several months, I experimented with an FT-857D as my transmitter and FUNcube Dongle Pro+ as my receiver. It made for a very nice "poor man's Flex" station.
The easiest bird to work with a single FT-857D is probably FO-29. You can setup on a fixed transmit/uplink frequency, and tune the downlink to compensate for Doppler shift. I've made many contacts this way in a pinch. My video for the FT-817 on YouTube can be carried out very similarly using an FT-857D: https://www.youtube.com/watch?v=vke3pWkKULU
73 Clayton W5PFG
On 1/21/2016 11:55, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
Steve AI9IN
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up and down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html), and change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into the other with a hand switch. So all I have to do is walk around the back of my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up and down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html), and change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into the other with a hand switch. So all I have to do is walk around the back of my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Hi All,
I just wanted to say thank you. I was also wondering the same thing and to see that it works well using an SDR for receive is very reassuring. Tax refund going to an SDR now.
Thanks again! 73 Frank B kb1qzh FN31fa
On Thu, Jan 21, 2016 at 6:24 PM, Norm n3ykf normanlizeth@gmail.com wrote:
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what do you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up and down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html), and change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into the other with a hand switch. So all I have to do is walk around the back of my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions expressed
are solely those of the author, and do not reflect the official views of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Mentioning that you are waiting for a tax refund makes me think you are planning to dive into SDR with a fairly high-end and expensive unit, You can probably get away with spending $25 or so if you have reasonably modest expectations. Noo Elec makes a whole line of SDR devices, from inexpensive dongles to the pricier (but well worth it if you have the passion) HackRF unit. Take a look here: http://www.nooelec.com/store/sdr.html
There are some dongle vendors who sell junk. the Noo Elec units are high quality. Of course, take that recommendation from someone who owns one of their dongles, plus HackRF Blue board (clone of the HackRF and virtually unobtainable now), and a Flex-1500. ;^) 73 de W0JT/5, EL09vu
On Fri, Jan 22, 2016 at 1:28 AM, Franklyn A. Ballentine, Jr < art.ballentine@gmail.com> wrote:
Hi All,
I just wanted to say thank you. I was also wondering the same thing and to see that it works well using an SDR for receive is very reassuring. Tax refund going to an SDR now.
Thanks again! 73 Frank B kb1qzh FN31fa
On Thu, Jan 21, 2016 at 6:24 PM, Norm n3ykf normanlizeth@gmail.com wrote:
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what
do
you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up and down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html),
and
change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into
the
other with a hand switch. So all I have to do is walk around the back
of
my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions expressed
are solely those of the author, and do not reflect the official views
of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions
expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Hi!
I have been using SDR receivers as part of my satellite work for a little while now, and have used (or tried to use) a few of them...
"RTL-SDR" dongles (the $20 or so dongles) FUNcube Dongle Pro (original version) FUNcube Dongle Pro+ (current version) SDRplay HackRF (One and Blue versions)
The RTL-type dongles and the FUNcube Dongle Pro (not the Pro+) lack front-end filtering, which rendered them useless when I tried to transmit with either an HT or FT-817 in close proximity - even with there was a diplexer in front of the SDR devices. These devices would basically shut down until I ended my transmissions, when they would resume working. The newer R820T2 type of the RTL dongles may have better stability, but they all seem to lack front-end filtering that would be desired when working our satellites.
The FUNcube Dongle Pro+ and SDRplay work well as the downlink receiver when I have worked satellites. These devices cost more than the RTL-SDR dongles, but they come with front-end filtering that helps greatly when they operate near your uplink transmitter. I have had success with both of these devices, along with HDSDR (the Windows software I prefer to use when working satellites with SDR receivers) running on a laptop or small Windows 8.1/10 tablet. I currently prefer to use the SDRplay as my downlink receiver when I am working satellites, but will occasionally use the FUNcube Dongle Pro+ from time to time. The SDRplay currently retails at US$ 149 from either HRO stores or the www.sdrplay.com web site located in the UK. The FUNcube Dongle Pro+ costs around US$ 190 to US$ 200 including FedEx shipping from the UK, depending on the exchange rate.
The FUNcube Dongle Pro+ is supported by the FUNcube Dashboard software for FUNcube satellites like AO-73, and the FoxTelem software for AO-85 and the upcoming Fox-1 satellites. If I use my SDRplay to decode telemetry, I would need to pipe the received audio through a virtual audio cable into those programs before telemetry can be decoded by either of those programs.
I have both the commercially-made HackRF One and the crowd- funded HackRF Blue devices. These are broadband transceivers that are capable of receiving at bandwidths up to 20 MHz. I have not tried using either of these when working satellites, mainly due to the lack of front-end filtering in these devices. HDSDR only supports using a HackRF device as a receiver, and I have not tried using either of these as a transmitter. The HackRF devices are capable of transmitting at low-milliwatt ranges across the spectrum they cover (officially 1 MHz to 6 GHz, but many have been able to lower the low end of that range to 100 kHz or so). The HackRF One retails at around US$ 300, depending on which reseller you buy from.
My recommendation would be to go either with a FUNcube Dongle Pro+ or SDRplay. Both are in the same price range, and work well as part of a station for working our satellites. These may cost a lot more than the cheap RTL-SDR dongles, but it is better to know the limitations of the low-end devices up front, instead of getting frustrated with them later on. The cheaper dongles can work well for receive-only applications, provided you are not near strong sources of RF (including your own transmissions), but I think the FUNcube Dongle Pro+ or SDRplay would work well alongside the original poster's FT-857.
Now if there was a software-defined transceiver capable of working our satellites full-duplex, without the need for upconverters/downconverters/transverters to cover 2m and 70cm, I'd be interested. Until then, I am OK with using an FT-817 (or similar radio) with an SDR receiver and software running on a tablet. I wrote articles about using these SDR devices with Windows tablets that ran in the AMSAT Journal and AMSAT-UK's OSCAR News in the past year. Those articles are available in PDFs from my Dropbox space:
(go to the Articles folder, then look for the files with SDR in the file names)
73!
Patrick WD9EWK/VA7EWK http://www.wd9ewk.net/ Twitter: @WD9EWK
On Fri, Jan 22, 2016 at 12:10 PM, John Toscano tosca005@umn.edu wrote:
Mentioning that you are waiting for a tax refund makes me think you are planning to dive into SDR with a fairly high-end and expensive unit, You can probably get away with spending $25 or so if you have reasonably modest expectations. Noo Elec makes a whole line of SDR devices, from inexpensive dongles to the pricier (but well worth it if you have the passion) HackRF unit. Take a look here: http://www.nooelec.com/store/sdr.html
There are some dongle vendors who sell junk. the Noo Elec units are high quality. Of course, take that recommendation from someone who owns one of their dongles, plus HackRF Blue board (clone of the HackRF and virtually unobtainable now), and a Flex-1500. ;^) 73 de W0JT/5, EL09vu
Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay.
If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states.
73 Clayton W5PFG
On 1/22/2016 13:10, John Toscano wrote:
Mentioning that you are waiting for a tax refund makes me think you are planning to dive into SDR with a fairly high-end and expensive unit, You can probably get away with spending $25 or so if you have reasonably modest expectations. Noo Elec makes a whole line of SDR devices, from inexpensive dongles to the pricier (but well worth it if you have the passion) HackRF unit. Take a look here: http://www.nooelec.com/store/sdr.html
There are some dongle vendors who sell junk. the Noo Elec units are high quality. Of course, take that recommendation from someone who owns one of their dongles, plus HackRF Blue board (clone of the HackRF and virtually unobtainable now), and a Flex-1500. ;^) 73 de W0JT/5, EL09vu
On Fri, Jan 22, 2016 at 1:28 AM, Franklyn A. Ballentine, Jr < art.ballentine@gmail.com> wrote:
Hi All,
I just wanted to say thank you. I was also wondering the same thing and to see that it works well using an SDR for receive is very reassuring. Tax refund going to an SDR now.
Thanks again! 73 Frank B kb1qzh FN31fa
On Thu, Jan 21, 2016 at 6:24 PM, Norm n3ykf normanlizeth@gmail.com wrote:
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so, what
do
you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up and down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html),
and
change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into
the
other with a hand switch. So all I have to do is walk around the back
of
my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions expressed
are solely those of the author, and do not reflect the official views
of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions
expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
I have an Airspy SDR which works great for the receive side of a satellite QSO. Cost is $199.
Jim Barbre KB7YSY
very interesting discussion.
Does anyone have any first hand experience using the Airspy SDR http://airspy.com/
It is in the same price range as FCDP+ and a bit more than the SDRPlay.
There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice.
So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era.
cheers, Graham ve3gtc
On 2016-01-22 20:45, Clayton W5PFG wrote:
Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay.
If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states.
73 Clayton W5PFG
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham planophore@aei.ca wrote:
very interesting discussion.
Does anyone have any first hand experience using the Airspy SDR http://airspy.com/
It is in the same price range as FCDP+ and a bit more than the SDRPlay.
There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice.
So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era.
cheers, Graham ve3gtc
On 2016-01-22 20:45, Clayton W5PFG wrote:
Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay.
If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states.
73 Clayton W5PFG
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Stefan,
I'm curious if you worked with SDRPlay in your testing. It has positive feedback here but it's not included in your tested "3". I've had great operational results with the SDRPlay but I have not compared it with other SDR receivers for satellite work.
Thanks & 73
*Daryl K4RGK
* On 1/22/2016 5:59 PM, Stefan Wagener wrote:
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham planophore@aei.ca wrote:
very interesting discussion.
Does anyone have any first hand experience using the Airspy SDR http://airspy.com/
It is in the same price range as FCDP+ and a bit more than the SDRPlay.
There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice.
So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era.
cheers, Graham ve3gtc
On 2016-01-22 20:45, Clayton W5PFG wrote:
Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay.
If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states.
73 Clayton W5PFG
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Thanks Daryl,
No, never had one. Reviews however look promising and you can get it for $150 from HRO.
Maybe other folks can chip in about their experiences.
73, Stefan, VE4NSA
On Fri, Jan 22, 2016 at 5:24 PM, Daryl Young k4rgk@arrl.net wrote:
Stefan,
I'm curious if you worked with SDRPlay in your testing. It has positive feedback here but it's not included in your tested "3". I've had great operational results with the SDRPlay but I have not compared it with other SDR receivers for satellite work.
Thanks & 73
*Daryl K4RGK
On 1/22/2016 5:59 PM, Stefan Wagener wrote:
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham planophore@aei.ca wrote:
very interesting discussion.
Does anyone have any first hand experience using the Airspy SDR http://airspy.com/
It is in the same price range as FCDP+ and a bit more than the SDRPlay.
There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice.
So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era.
cheers, Graham ve3gtc
On 2016-01-22 20:45, Clayton W5PFG wrote:
Like others have mentioned here, the $20-25 RTL Dongles have not worked
very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay.
If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states.
73 Clayton W5PFG
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Thank you Stefan (and all),
I think I will put the FCDP+ at the top of my list for now.
Regards software. This has been a bit hit and miss with me for SDR's.
I like SDR# but it is Windoze only. I prefer Linux but use Windows when have to. On Linux I have been using GQRX. They all have their pluses and minuses but the challenge becomes getting everything to place nice together, for example which OS? I like GPREDICT and there are Windows and Linux flavours but the FCDP+ software is Windows only (or is it? I will have a go look see).
I guess it is time to do some more reading and research.
Glad I didn't get a HackRF.
cheers, Graham ve3gtc
On 2016-01-22 22:59, Stefan Wagener wrote:
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham <planophore@aei.ca mailto:planophore@aei.ca> wrote:
very interesting discussion. Does anyone have any first hand experience using the Airspy SDR http://airspy.com/ It is in the same price range as FCDP+ and a bit more than the SDRPlay. There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice. So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era. cheers, Graham ve3gtc On 2016-01-22 20:45, Clayton W5PFG wrote: Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay. If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states. 73 Clayton W5PFG _______________________________________________ Sent via AMSAT-BB@amsat.org <mailto:AMSAT-BB@amsat.org>. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Graham,
I know you specifically said you prefer Linux, but the solution which brought me the most success was HDSDR+SatPC32. The two applications talk together well via CAT and a pair of virtual serial ports. This gives you full Doppler shift adjustment by computer control.
My FT-857D was configured as a radio in SatPC32. The FCDP+ was configured as the other radio in SatPC32.
If you moved the dial on the radio, there was full, tracking feedback to SatPC32 and HDSDR. If you tuned on the HDSDR, it adjusted the radio as well.
I made several hundred contacts on all the available satellites during the time I was playing with this in the shack.
The only drawback to the solution was having to swap coax lines between 2m and 70cm.
73 Clayton W5PFG
On 1/22/2016 18:01, Graham wrote:
Thank you Stefan (and all),
I think I will put the FCDP+ at the top of my list for now.
Regards software. This has been a bit hit and miss with me for SDR's.
I like SDR# but it is Windoze only. I prefer Linux but use Windows when have to. On Linux I have been using GQRX. They all have their pluses and minuses but the challenge becomes getting everything to place nice together, for example which OS? I like GPREDICT and there are Windows and Linux flavours but the FCDP+ software is Windows only (or is it? I will have a go look see).
I guess it is time to do some more reading and research.
Glad I didn't get a HackRF.
cheers, Graham ve3gtc
On 2016-01-22 22:59, Stefan Wagener wrote:
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham <planophore@aei.ca mailto:planophore@aei.ca> wrote:
very interesting discussion. Does anyone have any first hand experience using the Airspy SDR http://airspy.com/ It is in the same price range as FCDP+ and a bit more than the SDRPlay. There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice. So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era. cheers, Graham ve3gtc On 2016-01-22 20:45, Clayton W5PFG wrote: Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay. If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states. 73 Clayton W5PFG _______________________________________________ Sent via AMSAT-BB@amsat.org <mailto:AMSAT-BB@amsat.org>. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Hi Clayton, You wrote: "The only drawback to the solution was having to swap coax lines between 2m and 70cm. " SatPC32 can optionally control a coax antenna switch (called "transfer switch" as far as I know) that swaps the 2m/70cm antennas between the radios when you switch between v/u and u/v satellites. The DTR pin of the Radio 2 serial port can be used to either feed a CAT interface or to steer the antenna switch (selectable in menu "Options"). Mike, W4UOO, suggested such feature and I added it a few months ago. The feature requires a 1-transistor buffer between the DTR pin and the coax relais. There is an example on my website www.dk1tb.de/AntSwitchIF.jpg 73s, Erich, DK1TB
Am 23.01.2016 um 03:37 schrieb Clayton W5PFG:
Graham,
I know you specifically said you prefer Linux, but the solution which brought me the most success was HDSDR+SatPC32. The two applications talk together well via CAT and a pair of virtual serial ports. This gives you full Doppler shift adjustment by computer control.
My FT-857D was configured as a radio in SatPC32. The FCDP+ was configured as the other radio in SatPC32.
If you moved the dial on the radio, there was full, tracking feedback to SatPC32 and HDSDR. If you tuned on the HDSDR, it adjusted the radio as well.
I made several hundred contacts on all the available satellites during the time I was playing with this in the shack.
The only drawback to the solution was having to swap coax lines between 2m and 70cm.
73 Clayton W5PFG
Clayton,
Thank you for posting your comments. These are the sorts of specifics I have been looking for.
cheers, Graham ve3gtc
On 2016-01-23 02:37, Clayton W5PFG wrote:
Graham,
I know you specifically said you prefer Linux, but the solution which brought me the most success was HDSDR+SatPC32. The two applications talk together well via CAT and a pair of virtual serial ports. This gives you full Doppler shift adjustment by computer control.
My FT-857D was configured as a radio in SatPC32. The FCDP+ was configured as the other radio in SatPC32.
If you moved the dial on the radio, there was full, tracking feedback to SatPC32 and HDSDR. If you tuned on the HDSDR, it adjusted the radio as well.
I made several hundred contacts on all the available satellites during the time I was playing with this in the shack.
The only drawback to the solution was having to swap coax lines between 2m and 70cm.
73 Clayton W5PFG
On 1/22/2016 18:01, Graham wrote:
Thank you Stefan (and all),
I think I will put the FCDP+ at the top of my list for now.
Regards software. This has been a bit hit and miss with me for SDR's.
I like SDR# but it is Windoze only. I prefer Linux but use Windows when have to. On Linux I have been using GQRX. They all have their pluses and minuses but the challenge becomes getting everything to place nice together, for example which OS? I like GPREDICT and there are Windows and Linux flavours but the FCDP+ software is Windows only (or is it? I will have a go look see).
I guess it is time to do some more reading and research.
Glad I didn't get a HackRF.
cheers, Graham ve3gtc
On 2016-01-22 22:59, Stefan Wagener wrote:
Hi Graham.
If you check online, the HackRF has been a huge disappointment as a receiver for a number of reasons. The airspy is better but at the end it is the FCD Pro+ that will outperform all of them especially with the narrow SAW filters on 2m and 70cm. I had all three and tested them extensively for satellite work. At the end I only kept the FCDplus+.
Hope this helps,
Stefan, VE4NSA
On Fri, Jan 22, 2016 at 4:33 PM, Graham <planophore@aei.ca mailto:planophore@aei.ca> wrote:
very interesting discussion. Does anyone have any first hand experience using the Airspy SDR http://airspy.com/ It is in the same price range as FCDP+ and a bit more than the SDRPlay. There are so many to choose from with prices all the over the place. I realize that you get what you pay for but sometimes that is not always obvious, for example the HackRF devices are considerably more the SDRPlay/FCDP+/Airspy but as someone commented, lacks front end filtering making them a poorer choice. So far I have been only dabbling with receiving the many satellites now flying about. It has been a long time since I have made any contacts through any of them, that was back in the OSCAR 7/8, RS10/11 era. cheers, Graham ve3gtc On 2016-01-22 20:45, Clayton W5PFG wrote: Like others have mentioned here, the $20-25 RTL Dongles have not worked very well for me when combined with a transmitter. The FT-857D/FUNcube DonglePro+ combo worked well for me. Not one of the two RTL dongles was suitable for regular use. I rank the RTL's as a failure for both mode B or J birds without significant additional filters. For simple receive use, they're okay. If compactness was a desire, the FCDP+ would be my choice. However, the SDRPlay mentioned has a lot more bandwidth capability and is reasonably priced from HRO in the states. 73 Clayton W5PFG _______________________________________________ Sent via AMSAT-BB@amsat.org <mailto:AMSAT-BB@amsat.org>. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings:
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Hi, I have the original FCD and the RTL dongle (not the most current chipset). Both have been OK but I wouldn't mind stepping up. I'm looking for comparisons between the SDRPlay and the AirSpy receivers. I had considered HackRF or BladeRF but i think by the time I got around to playing with their transmit functions, they would have been replaced.
73 Frank B kb1qzh
On Fri, Jan 22, 2016 at 2:10 PM, John Toscano tosca005@umn.edu wrote:
Mentioning that you are waiting for a tax refund makes me think you are planning to dive into SDR with a fairly high-end and expensive unit, You can probably get away with spending $25 or so if you have reasonably modest expectations. Noo Elec makes a whole line of SDR devices, from inexpensive dongles to the pricier (but well worth it if you have the passion) HackRF unit. Take a look here: http://www.nooelec.com/store/sdr.html
There are some dongle vendors who sell junk. the Noo Elec units are high quality. Of course, take that recommendation from someone who owns one of their dongles, plus HackRF Blue board (clone of the HackRF and virtually unobtainable now), and a Flex-1500. ;^) 73 de W0JT/5, EL09vu
On Fri, Jan 22, 2016 at 1:28 AM, Franklyn A. Ballentine, Jr < art.ballentine@gmail.com> wrote:
Hi All,
I just wanted to say thank you. I was also wondering the same thing and to see that it works well using an SDR for receive is very reassuring. Tax refund going to an SDR now.
Thanks again! 73 Frank B kb1qzh FN31fa
On Thu, Jan 21, 2016 at 6:24 PM, Norm n3ykf normanlizeth@gmail.com wrote:
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so,
what do
you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up
and
down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html),
and
change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into
the
other with a hand switch. So all I have to do is walk around the back
of
my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions expressed
are solely those of the author, and do not reflect the official views
of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions
expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
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Hi, Frank
I had a HackRF for a couple of weeks and got rid of it.
It only does 8-bits for the receive conversion, just like a $20 dongle, and IMO, is not worth the $300 price tag.
YMMV, but I was quite disappointed with it,
73, Jim KQ6EA
On 01/23/2016 06:21 AM, Franklyn A. Ballentine, Jr wrote:
Hi, I have the original FCD and the RTL dongle (not the most current chipset). Both have been OK but I wouldn't mind stepping up. I'm looking for comparisons between the SDRPlay and the AirSpy receivers. I had considered HackRF or BladeRF but i think by the time I got around to playing with their transmit functions, they would have been replaced.
73 Frank B kb1qzh
On Fri, Jan 22, 2016 at 2:10 PM, John Toscano tosca005@umn.edu wrote:
Mentioning that you are waiting for a tax refund makes me think you are planning to dive into SDR with a fairly high-end and expensive unit, You can probably get away with spending $25 or so if you have reasonably modest expectations. Noo Elec makes a whole line of SDR devices, from inexpensive dongles to the pricier (but well worth it if you have the passion) HackRF unit. Take a look here: http://www.nooelec.com/store/sdr.html
There are some dongle vendors who sell junk. the Noo Elec units are high quality. Of course, take that recommendation from someone who owns one of their dongles, plus HackRF Blue board (clone of the HackRF and virtually unobtainable now), and a Flex-1500. ;^) 73 de W0JT/5, EL09vu
On Fri, Jan 22, 2016 at 1:28 AM, Franklyn A. Ballentine, Jr < art.ballentine@gmail.com> wrote:
Hi All,
I just wanted to say thank you. I was also wondering the same thing and to see that it works well using an SDR for receive is very reassuring. Tax refund going to an SDR now.
Thanks again! 73 Frank B kb1qzh FN31fa
On Thu, Jan 21, 2016 at 6:24 PM, Norm n3ykf normanlizeth@gmail.com wrote:
It gets far more interesting when there is a language barrier. One of these days I'll tell the "Documentos" story.
Use an 857d and an IC-7000 in a Pelican case for moderate worldwide indestructibility. The Icom was chosen because of it's dual ADI DSP units working at IF. Power hog on standby. 2x what the Yaesu is. Wanted the flexibility of having an analog front end, as well, though. Each has it's strong points.
Batteries are an easy commodity in the rest of the world. Most of the passes in the lands of la-la use the automobile as the power source. Surplus HP server supplies are useful and light. The bay your friend..
On Thu, Jan 21, 2016 at 5:13 PM, J. Boyd (JR2TTS) the2belo@msd.biglobe.ne.jp wrote:
On Thu, 21 Jan 2016 12:55:07 -0500, skristof@etczone.com wrote:
Anybody using a Yaesu FT 857D to work the SSB satellites? If so,
what do
you think? Can you take it outside and use it with an Arrow antenna?
This is probably overkill, but I've got two of 'em, one each for up
and
down. One sitting on top of the other makes for a nice compact setup that's easy to read. I took a piece of advice from KB5WIA, who does it with two FT817's in a similar fashion (http://kb5wia.blogspot.jp/2010/10/satellite-portable-station.html),
and
change the color of the display on one of the rigs so I can tell them apart.
I also have an adapter for my Heil Proset 6 headset, so I have the headphone out jack coming out of one rig, and the mic/PTT going into
the
other with a hand switch. So all I have to do is walk around the back
of
my truck with a headset on, aiming an antenna on a tripod at the sky, with one hand gripping what looks like a detonator. You'll have to excuse me, the cops are here.
-- J. Boyd, JR2TTS/NI3B the2belo@msd.biglobe.ne.jp http://www.flickr.com/photos/the2belo/ http://www.qrz.com/db/JR2TTS Twitter: @Minus2_C
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions expressed
are solely those of the author, and do not reflect the official views
of
AMSAT-NA.
Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership.
Opinions
expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite
program!
Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
Sent via AMSAT-BB@amsat.org. AMSAT-NA makes this open forum available to all interested persons worldwide without requiring membership. Opinions expressed are solely those of the author, and do not reflect the official views of AMSAT-NA. Not an AMSAT-NA member? Join now to support the amateur satellite program! Subscription settings: http://www.amsat.org/mailman/listinfo/amsat-bb
participants (15)
-
Bill Attwood -
Clayton W5PFG -
Daryl Young -
Erich Eichmann -
Franklyn A. Ballentine, Jr -
Graham -
J. Boyd (JR2TTS) -
Jim Barbre -
Jim Jerzycke -
John Toscano -
Michael -
Norm n3ykf -
Patrick STODDARD (WD9EWK/VA7EWK) -
skristof＠etczone.com -
Stefan Wagener