AMSAT-BB January 2016

163 participants
227 discussions

EQUiSat Optical Beacon CubeSat
by Trevor . 17 Oct '18

17 Oct '18

Students at the Ivy League Brown University are developing an amateur radio satellite EQUiSat that will carry a Xenon Flash Tube (XFT) subsystem to act as an Optical Beacon that should be visible to the unaided eye of observers on Earth. See http://www.uk.amsat.org/?p=10635 73 Trevor M5AKA AMSAK-UK http://www.amsat-uk.org/ ----

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Upcoming ARISS Contact Schedule as of 2015-10-26 23:00 UTC
by AJ9N＠aol.com 22 Sep '17

22 Sep '17

Upcoming ARISS Contact Schedule as of 2015-10-26 23:00 UTC Quick list of scheduled contacts and events: Possible Russian contact with Kursk Tue 2015-10-27 11:35 UTC Dearborn Public Schools, Dearborn, Michigan, USA, direct via K8UTT The ISS callsign is presently scheduled to be NA1SS The scheduled astronaut is Kjell Lindgren KO5MOS Contact is a go for Option #3: Tue 2015-10-27 16:01:59 UTC 57 deg Watch for a live video stream that should start about 15:00 UTC: (***) http://www.dearbornschools.org https://www.youtube.com/watch?v=hbhrQiZ62LE Daggett Montessori School K-8, Fort Worth, Texas, USA, direct via K5COW The ISS callsign is presently scheduled to be NA1SS The scheduled astronaut is Kjell Lindgren KO5MOS Contact is a go for Option #4: Thu 2015-10-29 14:12:56 UTC 31 deg **************************************************************************** ** Interested in hosting an ARISS contact? The window is now open from 2015-09-01 to 2015-11-01. These proposals will be for school contacts during the second half of 2016. Go to http://www.arrl.org/hosting-an-ariss-contact or http://www.ariss.org/apply-to-host-an-ariss-contact.html for full details. To help organizations in preparing their proposals, the ARISS Program Coordinator will offer hour-long online information sessions. These are designed to provide more information regarding US ARISS contacts and the proposal process and offer an opportunity to ask questions. While attending an online information session is not required, it is strongly encouraged. These will be offered Thursday, September 17, at 2000 UTC; Tuesday, September 22, at 2000 UTC, and Wednesday, September 30, at 2300 UTC. Advance registration is necessary. Email ARISS (ariss(a)arrl.org) to sign up for an information session. **************************************************************************** ** >From 2015-12-20 to 2016-01-04, there will be no US Operational Segment (USOS) hams on board ISS. So any schools contacts during this period will be conducted by the ARISS Russia team. **************************************************************************** ARISS is always glad to receive listener reports for the above contacts. ARISS thanks everyone in advance for their assistance. Feel free to send your reports to aj9n(a)amsat.org or aj9n(a)aol.com. **************************************************************************** Several of you have sent me emails asking about the RAC ARISS website and not being able to get in. That has now been changed to http://www.ariss.org/ Note that there are links to other ARISS websites from this site. **************************************************************************** Looking for something new to do? How about receiving DATV from the ISS? If interested, then please go to the ARISS-EU website for complete details. Look for the buttons indicating Ham Video. http://www.ariss-eu.org/ If you need some assistance, ARISS mentor Kerry N6IZW, might be able to provide some insight. Contact Kerry at kbanke(a)sbcglobal.net **************************************************************************** ARISS congratulations the following mentors who have now mentored over 100 schools: Gaston ON4WF with 121 Francesco IKØWGF with 114 Satoshi 7M3TJZ with 112 **************************************************************************** The webpages listed below were all reviewed for accuracy. Out of date webpages were removed and new ones have been added. If there are additional ARISS websites I need to know about, please let me know. Note, all times are approximate. It is recommended that you do your own orbital prediction or start listening about 10 minutes before the listed time. All dates and times listed follow International Standard ISO 8061 date and time format YYYY-MM-DD HH:MM:SS The complete schedule page has been updated as of 2015-10-24 06:00 UTC. (***) Here you will find a listing of all scheduled school contacts, and questions, other ISS related websites, IRLP and Echolink websites, and instructions for any contact that may be streamed live. http://www.amsat.org/amsat/ariss/news/arissnews.rtf Total number of ARISS ISS to earth school events is 1001. (***) Each school counts as 1 event. Total number of ARISS ISS to earth school contacts is 966. (***) Each contact may have multiple schools sharing the same time slot. Total number of ARISS supported terrestrial contacts is 46. A complete year by year breakdown of the contacts may be found in the file. http://www.amsat.org/amsat/ariss/news/arissnews.rtf Please feel free to contact me if more detailed statistics are needed. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ The following US states and entities have never had an ARISS contact: Arkansas, Delaware, North Dakota, Rhode Island, South Dakota, Vermont, Wyoming, American Samoa, Guam, Northern Marianas Islands, and the Virgin Islands. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ QSL information may be found at: http://www.ariss.org/qsl-cards.html ISS callsigns: DPØISS, IRØISS, NA1SS, OR4ISS, RSØISS **************************************************************************** The successful school list has been updated as of 2015-10-24 06:00 UTC. (***) http://www.amsat.org/amsat/ariss/news/Successful_ARISS_schools.rtf Frequency chart for packet, voice, and crossband repeater modes showing Doppler correction as of 2005-07-29 04:00 UTC http://www.amsat.org/amsat/ariss/news/ISS_frequencies_and_Doppler_correction .rtf Listing of ARISS related magazine articles as of 2006-07-10 03:30 UTC. http://www.amsat.org/amsat/ariss/news/ARISS_magazine_articles.rtf Check out the Zoho reports of the ARISS contacts https://reports.zoho.com/ZDBDataSheetView.cc?DBID=412218000000020415 **************************************************************************** Exp. 43/44 on orbit Scott Kelly Mikhail Kornienko RN3BF Exp. 44 on orbit Oleg Kononenko RN3DX Kimiya Yui KG5BPH Kjell Lindgren KO5MOS Exp. 45 on orbit Sergey Volkov RU3DIS **************************************************************************** 73, Charlie Sufana AJ9N One of the ARISS operation team mentors

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LVB Tracker USB serial port driver for Windows 7 x64?
by Bill Bordy, NJ1H 22 Dec '16

22 Dec '16

Has anyone located a driver for the LVB Tracker internal USB to serial port adapter on Windows 7 x64? If not, has anyone reverted to the serial port connection on LVB Tracker and used an external USB to serial port adapter successfully with SatPC32 on Windows 7 x64? I have an Edgeport multiple USB to serial port that has drivers for Windows 7 x64 that I will use if I have to. I would prefer using the LVB Tracker with its USB to serial adapter if someone has another solution. 73, Bill NJ1H

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AO-16 telemetry 3 Oct 2010
by Mark L. Hammond 01 Jul '16

01 Jul '16

Hi All, Here is a quick AO-16 update. On Sunday I turned AO-16 long enough to get some telemetry packets. The satellite would remain on for less than one minute after being commanded on. A quick test of the "bent pipe" voice mode repeater was successful. . The "hardware watchdog timer problem" is still evident; as expected, spacecraft temperatures are insufficient to keep the transmitter ON (needs to be above 15 deg C). Orbit projections suggest that satellite illumination conditions will not result in increased temperatures for nearly 10 years. Command stations do periodically turn AO-16 "ON" to check on its condition and see if the hardware timer problem has "automagically" fixed itself (which in not anticipated, but who knows...). AO-16 telemetry 3 Oct 2010 1838 utc PACSAT MBL Telemetry Decoder Ver. 1.3 (c) Mike Rupprecht, DK3WN =============================================================================== (average values) +10V Battery Bus : 0.00 V Battery Charge Reg : 0.55 mA Base Temp : 9.07 °C PSK RF Out : 1.90 W +5V RX Bus : 4.87 V +8.5V RX Bus : 8.49 V +10V RX Bus : 11.24 V Here is another teaser :) Several months ago I commanded the AO-16 S-band transmitter ON; it too remains functional (albeit weak), and was received by me, Drew KO4MA, and Alan WA4SCA. 73, -- Mark L. Hammond [N8MH]

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LilacSat-2 FM Transponder
by Paul Stoetzer 01 Mar '16

01 Mar '16

I have noticed that LilacSat-2's FM transponder has been on nearly continuously for the past four days They may be keeping it active continuously during the holiday period in China. It's worth checking out if you haven't worked it yet. It's got a good signal and can be easier to track than SO-50 because the carrier stays active for a period when not receiving signals. The downlink antenna also uses circular polarization, so there is less fading when using linear antennas than on SO-50. Uplink: 144.350 MHz FM (No PL) Downlink: 437.200 MHz FM Keep in mind that this uplink frequency is not within the normal 145.800 - 146.000 MHz satellite subband on two meters, though this frequency is within the 144.300 - 144.500 MHz "New OSCAR subband" in the ARRL band plan and is allocated to the Amateur Satellite Service (as is the entirety of 144 - 146 MHz). On passes over the United States, quite a few packet signals can be heard through the transponder. If you use LoTW, the satellite name to use when uploading QSOs is 'CAS-3H.' 73, Paul, N8HM

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Any experience with low-cost 433MHz transverter from transverters-store?
by Eric Wolak 07 Feb '16

07 Feb '16

Hi folks, I'm trying to get on the air with the linear transponder satellites, and it looks like I need 70cm SSB capability to really get on the air. My Icom IC-796MkII can do SSB on 2m, but not 70cm, so I'm trying to find an affordable way to get 70cm SSB transmit. Does anybody have experience with these $100 transverter boards from Ukraine? It looks like they're tuned for the weak-signal/SSB end of the band and might require a bit of work to get up to 435MHz for satellites. Is 3-4W enough to be heard? http://www.ebay.com/itm/221871269275

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RE; SatPC32 CAT control and HDSDR via VSPE (Tom Schuessler)
by Tom Schuessler 01 Feb '16

01 Feb '16

Thanks to the response from the group. The V+ setting worked fine. I knew I was missing something. The CAT control via the Virtual Serial Port Emulation software is a bit finicky and sometimes may take 5 or 10 seconds to update SatPC32 as Doppler changes, Then it will seem to catch up and be pretty current. Oh well. I think though it will work for what I need. Thanks to all. Tom Schuessler 2713 Lake Gardens Drive Irving, Texas 75060 972-986-7456 214-403-1464 (Cell) n5hyp(a)arrl.net

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Video: My Very First ISS Reception from January 2014
by John Brier 31 Jan '16

31 Jan '16

https://www.youtube.com/watch?v=RBbKLYiIvD0 If you liked this video, please subscribe to my YouTube channel, Space Comms: https://youtube.com/c/SpaceComms1 It was two years ago this month that I first received the International Space Station. To commemorate that reception I decided to re-edit the original video I made of it which has received over 13,000 views to date. It was because of that video's popularity that I decided to keep making videos and ultimately, to create the Space Comms channel. Since it's always exciting to receive the ISS, I still do it today, and one day I'll make contact too! Thanks everyone for watching my videos and good luck with all your radio adventures! 73, John Brier, KG4AKV

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2.4 Ghz?
by Bob- W7LRD 31 Jan '16

31 Jan '16

Does anyone know if there will be a S band DL on any future satellites. Are there any current sats that have S band DL for telemetry? 73 Bob W7LRD Seattle

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XE2AT from DL42/DL43 line on SO-50 tonight, 0100 UTC
by Patrick STODDARD (WD9EWK/VA7EWK) 31 Jan '16

31 Jan '16

Hi! After working from the DL52/DL53 line on the south end of the Baja California peninsula this morning, Alvaro XE2AT plans to work the 0100 UTC SO-50 pass tonight (5pm Pacific time) from the DL42/DL43 grid boundary. This is northwest of Cabo San Lucas, near the southern tip of the peninsula. SO-50 will be over the eastern Pacific Ocean during this pass, meaning the footprint won't make it all the way to the Mississippi River. DL43 has been on the satellites in past years, thanks to Bernardo XE2HWB (worked satellites in the past, also active in VHF/UHF/microwave contests from up and down the Baja California peninsula), but not recently. DL42 is almost entirely wet, except for the small bit of land in the northeast corner of the grid - similar to grid CM86 at Santa Cruz in northern California. XE2AT mentioned earlier this morning that he plans to use LOTW to confirm these contacts, along with the contacts he made earlier this morning. He's also good at answering QSL requests mailed to his PO box in Aguascalientes, although the Mexican postal system is not the most reliable. Good luck, and 73! Patrick WD9EWK/VA7EWK http://www.wd9ewk.net/ Twitter: @WD9EWK

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AMSAT-BB January 2016