May 2010 - AMSAT-BB - mailman.amsat.org

Demonstration Schedule at Dayton Hamvention 14-16 May 2010
by Pughkeithd＠cs.com 09 May '10

09 May '10

We plan to work as many of the passes in the attached schedule as possible from the AMSAT Demo Area at Dayton Hamvention this weekend, 14-16 May 2010. The times shown are in UTC. Please note that a few of these passes are just before or just after Dayton Hamvention's posted hours. AO-51 will be in Mode V/S for this weekend and we will attempt to work as many of these marginal passes as possible. There is a very low elevation pass of HO-68 on Friday evening during the AMSAT/TAPR Banquet that we may try to work from the Banquet Area. It has very good European coverage. Other passes of HO-68 in FM mode will have the NW portion of Europe in the early part of the pass. All of North America and part of South America will be in the footprint later in the passes. We hope to work you on the "birds." If you are attending Dayton, please come by the AMSAT Demo Area for an "Eyeball QSO" and a look at the hardware and other demonstrations. 73 - Keith, W5IU

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Demonstration Schedule at Dayton Hamvention 14-16 May 2010
by Keith Pugh 09 May '10

09 May '10

We plan to work as many of the passes in the attached schedule as possible from the AMSAT Demo Area at Dayton Hamvention this weekend, 14-16 May 2010. The times shown are in UTC. Please note that a few of these passes are just before or just after Dayton Hamvention's posted hours. AO-51 will be in Mode V/S for this weekend and we will attempt to work as many of these marginal passes as possible. There is a very low elevation pass of HO-68 on Friday evening during the AMSAT/TAPR Banquet that we may try to work from the Banquet Area. It has very good European coverage. Other passes of HO-68 in FM mode will have the NW portion of Europe in the early part of the pass. All of North America and part of South America will be in the footprint later in the passes. We hope to work you on the "birds." If you are attending Dayton, please come by the AMSAT Demo Area for an "Eyeball QSO" and a look at the hardware and other demonstrations. 73 - Keith, W5IU

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Portable SSB satellite operation advice requested
by Graham Shirville 09 May '10

09 May '10

Hi all, Later this month I hope to be trying some satellite operation from a boat from the seas around Scotland, Norway and up inside the Arctic circle. I have my trusty Kenwood TDH7 and Arrow combination for possible FM use but have been wondering whether to take an FT817 for SSB transmit and perhaps a TH-F6A/F7E for receive. I would appreciate any advice on the suitability/practicability of the latter combination..it has the advantage of being already available! thanks Graham G3VZV

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Dayton
by Bob- W7LRD 09 May '10

09 May '10

What are the "official" operational plans to demo from Dayton. I can only vicariously paricipate this year. 73 Bob W7LRD

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HO-68 Schedule - 09-16 May 2010
by Alan Kung 08 May '10

08 May '10

UTC: 09 May 2010 ================================ 17:10...Turn On--Packet India, Africa, Middle East, Europe,NA 17:55...Turn Off 18:40...Turn On--FM Africa,Europe,Middle East,NA 19:25...Turn Off 23:05...Turn On--FM NA,North Asia,East Asia,Oceania 23:50...Turn Off 10 May 2010 ================================ 02:46...Turn On--FM North Asia,East Asia,South Asia 03:01...Turn Off 03:45...Turn On--FM South America,NA,North Asia 04:30...Turn Off 18:45...Turn On--FM Africa,Europe,NA 19:30...Turn Off 11 May 2010 ================================ 00:00...Turn On--FM South America,NA,North Asia 00:45...Turn Off 01:35...Turn On--FM South America,NA,North Asia 02:20...Turn Off 02:29...Turn On--FM North Asia, East Asia, South Asia 02:44...Turn Off 10:45...Turn On--FM Oceania,Asia,Europe 11:30...Turn Off 16:40...Turn On--FM/SSTV India,Middle East,Europe,NA 17:25...Turn Off 18:25...Turn On--FM Africa,Europe,NA 19:10...Turn Off 12 May 2010 ================================= 02:13...Turn On--FM North Asia,East Asia,South Asia 02:29...Turn Off 10:30...Turn On--FM Oceania,East Asia,North Asia,Europe 11:15...Turn Off 13:10...Turn On--FM NA,South America,Europe 13:55...Turn Off 18:10...Turn On--FM Africa,Europe,NA 18:55...Turn Off 22:15...Turn On--FM NA,North Asia,East Asia,Oceania 23:00...Turn Off 13 May 2010 ================================= 01:57...Turn On--FM North Asia,East Asia,South Asia 02:12...Turn Off 05:30...Turn On--FM NA,North Asia,Middle East, Europe,Africa 06:15...Turn Off 10:10...Turn On--FM Oceania,Asia,Europe,NA 10:55...Turn Off 16:05...Turn On--FM Africa,India,Middle East,Europe,NA 16:50...Turn Off 17:55...Turn On--FM Africa,Europe,NA 18:40...Turn Off 14 May 2010 ================================ 23:45...Turn On--Packet South America,NA,North Asia 00:30...Turn Off 01:40...Turn On--FM North Asia,East Asia,South Asia 01:52...Turn Off 14:20...Turn On--FM Europe,NA,South America 15:05...Turn Off 17:35...Turn On--FM India,Africa,Europe,NA 18:20...Turn Off 23:00...Turn On--FM South America,Africa,NA, Europe,North Asia,East Asia 23:45...Turn Off 15 May 2010 ================================ 00:30...Turn On--FM/SSTV South America,NA,North Asia 01:15...Turn Off 01:24...Turn On--FM North Asia,East Asia,South Asia 01:37...Turn Off 14:00...Turn On--FM Europe,NA,South America 14:45...Turn Off 17:20...Turn On--FM Africa,Europe,NA 18:05...Turn Off 16 May 2010 ================================ 00:15...Turn On--FM South America,NA,North Asia 01:00...Turn Off 02:53...Turn On--FM North Asia,East Asia,South Asia 03:08...Turn Off 06:25...Turn On--Packet North Asia,Europe,Africa 07:10...Turn Off 13:50...Turn On--FM Europe,NA,South America 14:35...Turn Off 73 Alan Kung, BA1DU HO-68(XW-1) Project Manager www.camsat.cn

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Re: PC clock
by Al Zoller 08 May '10

08 May '10

Well, I also screwed up. Should have said 'Task Scheduler' in Win 7. The time service I use is time-b.nist.gov Al On 5/8/2010 4:57 PM, Larry Gerhardstein wrote: > Can you tell me the name of the service please. > Larry > > On 5/8/2010 4:08 PM, Al Zoller wrote: >> Hi Larry, >> >> Time synchronization is scheduled in the 'Task Manager' of Win 7. >> Open 'Task Manager' and look for the item and edit it. Thanks for >> bringing this to my attention as I just upgraded (?) to Win 7. I set >> mine to sync at startup as I turn the PC off at night. My tracking >> software (Nova) also does it when it is started. Also updates Keps. >> >> 73 de N7UB, Al >> >> >> On 5/8/2010 2:48 PM, Larry Gerhardstein wrote: >>> My PC's clock keeps getting off by enough to cause problems on near >>> overhead passes. I've seen it off by more than 30 seconds. It is >>> using >>> Internet synchronization, which happens once a week. Is there a way to >>> force Windows 7 to automatically update clock more frequently than once >>> per week. Please don't tell me to monkey with the Windows Registry. I >>> know PC clocks are notoriously inaccurate, but this is ridiculous. >>> >>> Larry W7IN >>> _______________________________________________ >>> Sent via AMSAT-BB(a)amsat.org. Opinions expressed are those of the >>> author. >>> Not an AMSAT-NA member? Join now to support the amateur satellite >>> program! >>> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb >>> >>> >>> >> >> _______________________________________________ >> Sent via AMSAT-BB(a)amsat.org. Opinions expressed are those of the author. >> Not an AMSAT-NA member? Join now to support the amateur satellite >> program! >> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb >> > > >

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New Kenwood D-72
by Andrew Glasbrenner 08 May '10

08 May '10

I spotted this on QRZ this morning...details are skimpy now though. I wonder if it'll be full duplex? The D7 has a really good full duplex implementation. 73, Drew KO4MA

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L and S-band Options
by Guy Brauning 08 May '10

08 May '10

Thanks for reading this message. I know there has been a lot of information on the BB over the past couple of years about operating L and S band on AO-51; however, I was focused on V/U at the time and I didn't make notes of the information. Now I would like to experiment with these two bands and I am looking for some recommendations to get started. Is the Alinco DJ-G7T a viable option for receiving the AO-51 L-band downlink (Pricey at $320.00 but it does cover 3 satellite bands with advertised full-duplex capability)? If not (and ruling out the more expensive (and effectively non-portable) transceivers.. TS-2000 / IC-910H, etc.), what would be the least expensive way to have receive capability on 1.2 Ghz... a down-converter perhaps? (I currently have a Yaesu FT-60R dual band HT and a Yaesu FT-817D along with the Arrow and ELK antennas for V/U) Also, what are some options for homebrew 1.2 Ghz antennas (I do not have sophisticated test equipment and my "Skills" are minimal)? On to 2.4 Ghz.... what are some options for inexpensive 2.4 Ghz down-converters (As a reference..I do not consider the SSB UEK-3000 inexpensive at $500.00) and homebrew antennas? I would like to be able to experiment with handheld / portable gear in the yard to gain some experience with these two bands. Guy Brauning N3SCR guyjeanbraun(a)comcast.net

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Next "HV Satcom" net!
by Stuart Balanger 08 May '10

08 May '10

*Hi all, The next "HV Satcom" net is this coming Thursday May 13 on the "146.970" MMt. Beacon ARC Repeater& hope the Echo link note of "N2EYH-L" will be operating & the time of the net is: 8PM EDT (or 2400UTC) 73,.Stu (WA2BSS) *

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WD9EWK @ DM32/DM42 today, 2330-0240 UTC
by Patrick STODDARD (WD9EWK/VA7EWK) 08 May '10

08 May '10

Hi! Since I didn't send anything out yet regarding my trip last weekend to southeastern Arizona for a hamfest and my stop at DM52/DM53 (along with a very quick stop at DM51/DM52), thanks to all who showed up during those passes. I know DM53 is particularly rare on the birds, and a change in work schedules let me take last Friday (30 April) off for the drive to that boundary. The hamfest in Sierra Vista AZ was a good event, and thanks to all who worked WD9EWK on the 4 passes using 4 different satellites from the hamfest site. QSL cards for last weekend's activities went to the post office a few days ago, and should be showing up in mailboxes shortly. There is a window of approximately 3 hours later this afternoon where I can work AO-51, SO-50, FO-29, and AO-7 with relatively short gaps between all of those passes. My plan is to go south of Phoenix to the DM32/DM42 grid boundary and work passes on those 4 satellites starting with AO-51 at 2330 UTC and possibly stay out there through the last AO-7 pass that has LOS around 0240 UTC. I go out there periodically, and a couple of operators have recently asked me when I would make another trip to DM32. The northeast corner of DM32 is less than an hour's drive from Phoenix, so I decided to make the quick trip this afternoon. Anyone working WD9EWK from the DM32/DM42 grid boundary who would like a QSL only needs to drop me an e-mail. If you're in the log, I will get you a card. If I've never worked you before, I would appreciate receiving your QSL card for the QSO, as this location is within the area that I can use toward a satellite VUCC application - if I ever get around to filling out the paperwork and sorting the cards. :-) 73! Patrick WD9EWK/VA7EWK http://www.wd9ewk.net/

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