[amsat-bb] Re: [suitsat2] ARISSat-1 Battery
On 8/14/11 6:11 PM, Anthony Monteiro wrote: Yes, Zinc dendrites will form also if the battery is overcharged but we should not be able to do that on ARISSat-1 so only the silver ones should be an issue. Oh, so they form on both plates. Interesting. Charging the battery plates out zinc metal on the negative plates, but any metallic silver on the positive plates should be oxidized back to silver oxide. Silver dendrites should form only during discharge, right? -Phil ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Arissat transponder active over Europe.
On 8/14/11 4:34 PM, Jim Cameron KC9PXZ wrote: I have a question, I don't have a SSB rig so I am FM only, wish I could decode telemetry and CW that would be a blast! but as I understand I can't with just FM, or am I wrong? That's correct. It's just not possible to design a highly power-efficient digital modulation method using a NBFM receiver. That requires a linear channel. A FM receiver is nonlinear; it doesn't respond to the amplitude of the signal, and many have limiters. A SSB receiver is linear in the sense that there's no limiter and the stronger the RF signal the stronger the audio output. That's why SSB is used for weak signal work, among other things. The main drawback to the use of standard SSB receivers is of course the great sensitivity to Doppler shift that requires constant tuning. Ideally everyone will move to software defined radios using hardware front ends that are both linear and wideband. The SDX satellite transponder is itself a software defined radio, and using its full capabilities in a future satellite will require a SDR on the ground. -Phil ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Decoding wideband recordings
Sion, another point to the DDE aspect: just working on the DDE link between SATCONTROL and HDSDR. At the moment HDSDR supports only Orbitron (Doppler tracking interval 1s), HRD and WXtrack. If I change the application name of SATCONTROL to Orbitron, the link can be established and it works. The idea behind is to end the LO Frequency to the FUNCubeDonge once - and keep it fix - BUT change the TUNE frequency of HDSDR. This is possible in 1 Hz steps, so you can follow a narrowband signal (CW/BPSK) much continuously. (You can't change the LO Frequency of the FCD in 1 Hz steps). 73, Mike DK3WN If HDSDR could use the DDE output of WISP, it can start recording when a satellite name appears, and stop when '*** NO Satellite ***' appears. These are just some of my thoughts to make automatic unattended reception easier, but I must say that DK3WN's FCD control + HDSDR are really great pieces of software. Thank you to all those involved in their development :) 73, Sion, 9M2CQC ___ Sent via AMSAT-BB@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@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
[amsat-bb] ARISSAT-1 Voice Tlm (None)
Heard nothing on 145.950 from 802-812 UTC Aug 15. I'm assuming this is expected as it was in eclipse. Sri, I've not been able to follow the battery issue thread due to other commitments. Just happened to be up in the wee hours to listen. Rich, N8UX. ___ Sent via AMSAT-BB@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
[amsat-bb] Telemetry Data
Hello, You asked for emergency mode data, and I'm not sure what you meant, but I have some that may or may not qualify. We are located in San Diego, California At 03:07 UTC (8:07 PM PDT (local)) MET was 62 minutes IHU Temp was +45 degrees C Control Panel Temp was +50 degrees C Battery Voltage was 33.77 V Battery Current was -8 mA At 03:12 UTC (8:12 PM PDT (local)) MET was 67 minutes IHU Temp was +45 degrees C Control Panel Temp was +50 degrees C Battery Voltage was 35.73 V Battery Current was -8 mA The secret words that we heard were the ones from the two American boys (Explore) and the two British girls (Eagle) I don't know if that was what you were looking for, or if it was at all helpful, but I figured you'd rather have extra data than not. -Lindsay White KI6LZN www.mchsarc.com http://www.mchsarc.com/ ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 over Sacramento, CA at 2145 PDT
Here is the audio I copied from ARISSAT-1 on the 9:45 pm PDT pass over Sacramento, CA tonight. While dark out here, you can hear the voice say: NEC Temp A+40 degrees C COntrol Panel Temp A+42 degrees C Battery VOltage A 35.74 volts after that I wasn't sure what was said, but attached is the audio file. 73, Carl, WF6J w...@sbcglobal.net ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Decoding wideband recordings
Mike, First of all, thank you for the very great software :) Just to clarify, in this case you will be tuning dopper at HDSDR instead of FCD control level? Which if I get it right will result in the I/Q of the pass being recorded without doppler control? 73, Sion, 9M2CQC Quoting Mike Rupprecht m...@mike-rupprecht.de: Sion, another point to the DDE aspect: just working on the DDE link between SATCONTROL and HDSDR. At the moment HDSDR supports only Orbitron (Doppler tracking interval 1s), HRD and WXtrack. If I change the application name of SATCONTROL to Orbitron, the link can be established and it works. The idea behind is to end the LO Frequency to the FUNCubeDonge once - and keep it fix - BUT change the TUNE frequency of HDSDR. This is possible in 1 Hz steps, so you can follow a narrowband signal (CW/BPSK) much continuously. (You can't change the LO Frequency of the FCD in 1 Hz steps). 73, Mike DK3WN If HDSDR could use the DDE output of WISP, it can start recording when a satellite name appears, and stop when '*** NO Satellite ***' appears. These are just some of my thoughts to make automatic unattended reception easier, but I must say that DK3WN's FCD control + HDSDR are really great pieces of software. Thank you to all those involved in their development :) 73, Sion, 9M2CQC ___ Sent via AMSAT-BB@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@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
[amsat-bb] Re: Decoding wideband recordings
Sion, exactly, the LO frequency of the FCD should be set to a fixed frequency, e.g. the center frequency of the pass band. You move the TUNE frequency with HDSDR through the spectrum according the doppler correction. 73, Mike DK3WN -Ursprüngliche Nachricht- Von: Sion Chow Q. C. (9W2QC) [mailto:9w...@9w2qc.net] Gesendet: Montag, 15. August 2011 10:47 An: Mike Rupprecht Cc: amsat-bb@amsat.org Betreff: Re: AW: [amsat-bb] Re: Decoding wideband recordings Mike, First of all, thank you for the very great software :) Just to clarify, in this case you will be tuning dopper at HDSDR instead of FCD control level? Which if I get it right will result in the I/Q of the pass being recorded without doppler control? 73, Sion, 9M2CQC Quoting Mike Rupprecht m...@mike-rupprecht.de: Sion, another point to the DDE aspect: just working on the DDE link between SATCONTROL and HDSDR. At the moment HDSDR supports only Orbitron (Doppler tracking interval 1s), HRD and WXtrack. If I change the application name of SATCONTROL to Orbitron, the link can be established and it works. The idea behind is to end the LO Frequency to the FUNCubeDonge once - and keep it fix - BUT change the TUNE frequency of HDSDR. This is possible in 1 Hz steps, so you can follow a narrowband signal (CW/BPSK) much continuously. (You can't change the LO Frequency of the FCD in 1 Hz steps). 73, Mike DK3WN If HDSDR could use the DDE output of WISP, it can start recording when a satellite name appears, and stop when '*** NO Satellite ***' appears. These are just some of my thoughts to make automatic unattended reception easier, but I must say that DK3WN's FCD control + HDSDR are really great pieces of software. Thank you to all those involved in their development :) 73, Sion, 9M2CQC ___ Sent via AMSAT-BB@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@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
[amsat-bb] AO-40/P3D image wanted
Hi, Can anyone on the list point me to source of high resolution images of AO-40/P3E. Need it for a magazine article. The images found via google are all low res. Tried Peter DB2OS at amsat-dl but no reply as yet, and my deadline is two days away. Thanks John G7HIA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: [suitsat2] ARISSat-1 Battery
Hi Phil, Yes, that is correct. 73, Tony AA2TX --- On 8/15/2011 1:26 AM, Phil Karn wrote: On 8/14/11 6:11 PM, Anthony Monteiro wrote: Yes, Zinc dendrites will form also if the battery is overcharged but we should not be able to do that on ARISSat-1 so only the silver ones should be an issue. Oh, so they form on both plates. Interesting. Charging the battery plates out zinc metal on the negative plates, but any metallic silver on the positive plates should be oxidized back to silver oxide. Silver dendrites should form only during discharge, right? -Phil ___ Sent via AMSAT-BB@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
[amsat-bb] Re: AO-40/P3D image wanted
Hi John, will send you some pictures later this evening, but you can find them also on www.amsat-dl.org in the Gallery. 73s Peter -- Sent by Android mobile K-9 Mail. John Heath g7...@btinternet.com schrieb: Hi, Can anyone on the list point me to source of high resolution images of AO-40/P3E. Need it for a magazine article. The images found via google are all low res. Tried Peter DB2OS at amsat-dl but no reply as yet, and my deadline is two days away. Thanks John G7HIA _ Sent via AMSAT-BB@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@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
[amsat-bb] Videos of Presentations given at AMSAT-UK Colloquium
Thanks to the hard work of volunteers from the British Amateur Television Club (BATC) 14 videos of the presentations given to the AMSAT-UK International Space Colloquium held in Guildford July 30-31 are now available. You can watch the video online at http://www.batc.tv/ Click on the 'Film Archive' icon Select 'AMSAT 2011' from the Category drop down menu Click 'Select Category' Select the video you wish to watch Click on 'Select Stream' Click the play icon '' on the player Clicking on the icon to the left of the player volume control will give you full screen display. You can also download a video file to your PC by clicking on the 'Click Here' link under the player. Some of the PowerPoint slides can also be downloaded by following the links in the Videos story at http://www.uk.amsat.org/ 73 Trevor M5AKA ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSAT-1 report
Hi All, Just popped outside from the IARU Region 1 Conference meeting to catch an ARISSAT pass. Good signals with an Arrow and a FCD and also using a G0MRF prototype filter amplifier with 5v being supplied by the Dongle. (Thanks David for the loan) Voice telemetry reported MET of 41 mins - which corresponds very well to when it left eclipse over the Pacific. Battery volts 35.74 and current -4ma The signal had no fading but several occasional ~ 100 msec breaks in transmission were noted. best 73 from sunny ZS6 land Graham G3VZV ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSAT-1 report
Hi All, Just popped outside from the IARU Region 1 Conference meeting to catch an ARISSAT pass. Good signals with an Arrow and a FCD and also using a G0MRF prototype filter amplifier with 5v being supplied by the Dongle. (Thanks David for the loan) Voice telemetry reported MET of 41 mins - which corresponds very well to when it left eclipse over the Pacific. Battery volts 35.74 and current -4ma I just failed to identify a ZS station using the transponder! The signal had no fading but several occasional ~ 100 msec breaks in transmission were noted. best 73 from sunny ZS6 land Graham G3VZV ___ Sent via AMSAT-BB@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
[amsat-bb] Article: 50 yrs of the tracking fence
Thought other tracking nuts like myself would enjoy this article on the NAVSPACR fence(s)... N8UX. http://fredericksburg.com/News/FLS/2011/082011/08152011/644977 ___ Sent via AMSAT-BB@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
[amsat-bb] AO-40 Image found - thanks
Hi I can now meet the publication deadline. Thanks to everyone who replied, including Peter DB2OS Amsat-DL 73 John G7HIA ___ Sent via AMSAT-BB@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
[amsat-bb] Re: A rose is a rose... is a rose
Yes Phil, you are correct. Communications and earth observation in orbit are great examples of space applications that have succeeded. But, they are also things that we've already done. I admit that there is probably more to explore and learn here, near to us, but I was really thinking about more distant space exploration. Our planet is pretty boring from the perspective that we are here, and get get around on it to see what's on the surface. Subsurface exploration in the Ocean (I'd like to know a lot more about those now underwater cities that appear to have been buried by catastrophic floods from ICE age ice dams breaking), and other deep earth observations would be a good thing to learn more about what is going on without planet and how we are affecting. Higher orbit or distant communications systems are exciting. A repeater or two on the moon for example would be something that we might try and be ready to provide should a moon mission come up on the horizon. Gregg Wonderly On 8/13/2011 4:46 PM, Phil Karn wrote: On 8/9/11 4:47 PM, Gregg Wonderly wrote: But, if no one who has the money wants to fund space flight, then it won't ever happen privately. I.e. why hasn't the privetization already happened? I think it's because it doesn't make money. There's nothing known to generate value out of space flight. Actually, there's one space application that has proved quite commercially viable: communications. Commercial earth resources satellites are a distant second. I can't think of anything else. Exploration for its own sake is never going to be commercially viable. There has to be some short-term economic payoff. There's a long history of those who have become rich in some other industry funding an earth expedition out of personal interest, but the cost of space flight is still far too high for this to extend to space. It means that the funding of space exploration will have to remain the province of governments for the time being. There's just no payoff for commercial investment, at least not yet. -Phil ___ Sent via AMSAT-BB@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
[amsat-bb] PiperMail Broken?
I normally go to the PiperMail page to see latest posts by date. But I cannot see anything there since August 10 ... Last message date: Wed Aug 10 09:20:13 PDT 2011 Archived on: Wed Aug 10 09:20:29 PDT 2011 What am I doing wrong now? Clint Bradford ___ Sent via AMSAT-BB@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
[amsat-bb] Students to Call the ISS
MEDIA ADVISORY: M11-169 MISSISSIPPI AND LOUISIANA STUDENTS TO CALL SPACE STATION ASTRONAUTS WASHINGTON -- Students gathered at NASA's John C. Stennis Space Center in Mississippi will place a long distance call to astronauts aboard the International Space Station at 1:35 p.m. EDT on Thursday, Aug. 18. Mississippi and Louisiana students in kindergarten through twelfth grade will ask Expedition 28 Flight Engineers Ron Garan, Mike Fossum and Satoshi Furukawa questions related to mass and weight. The experience is designed to enhance the students' understanding of scientific principles, physics and space. Stennis' education office is hosting the call, which will include a video link with the three astronauts and will be broadcast live on NASA Television. To attend, journalists must contact Rebecca Strecker at 228-688-3249 no later than 3 p.m. on Wednesday, Aug. 17, to arrange for clearance and escort to the event. This in-flight education downlink is one in a series with educational organizations in the United States and abroad to improve teaching and learning in science, technology, engineering and mathematics studies. It is an integral component of NASA's Teaching From Space education program, which promotes learning opportunities and builds partnerships with the education community using the unique environment of space and NASA's human spaceflight program. The exact time of the downlink could change. For the latest NASA TV schedule, visit: http://www.nasa.gov/ntv For information about NASA's education programs, visit: http://www.nasa.gov/education For more information about the International Space Station, visit: http://www.nasa.gov/station -end- Clint Bradford clintbradf...@mac.com ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSAT-1 telemetry record
Hallo Here is record of ARISSAT-1 telemetry (19 frames and 18 Kursk frames): http://www.enduro.idl.pl/temp/arissat_1_telemetry_15_08_2011_1830.mp3 Today evening, UTC time, very good signal, no transponder and SSTV signals were heard. I have only 1 qso via arissat-1 transponder, with IW6OVD. It is very interesting listening and decoding this telemetry. Matt SQ7DQX ___ Sent via AMSAT-BB@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
[amsat-bb] MET clock
Can anyone tell me if the MET reading is zero after a reset or should it read 15? For Arissat-1 that is. Terry VK5GU ___ Sent via AMSAT-BB@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
[amsat-bb] Certificate for receiving BPSK-1000 telemetry
The ARISSat web site shows how to get a Reception Certificate for Voice ID, Voice Telemetry, and SSTV. I have screen shots of the BPSK-1000 reception and CW. How does one claim a certificate for BPSK-1000 reception? Ron W5RKN ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 Voice Telemetry Over Fort Walton Beach, Florida
Voice telemetry reception on Tuesday, Aug 16 at 0040 UTC on 2M 145.950 FM during high power mode while over Fort Walton Beach, Florida. Satellite tracking showed Azimuth: 314, Elevation: +34 Telemetry Data: MET is 58 minutes IHU Temp is +44 degrees C Control Panel Temp is +29 C Battery Voltage is 35.81 volts Battery Current is -12 ma 73's Mike Schaffer KA3JAW Tampa, Florida EL87 ___ Sent via AMSAT-BB@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
[amsat-bb] Re: Certificate for receiving BPSK-1000 telemetry
Ron, All telemetry *Reception Certificate* requests, either voice or BPSK, should be sent to the same e-mail address: tlmrep...@arissat1.org . Please send the actual voice telemetry information (MET, temperatures, battery voltages, etc.) as e-mail to amsat-bb@amsat.org . Please upload BPSK decoded telemetry to arissattlm.org . 73, Steve N9IP -- -Original Message- From: amsat-bb-boun...@amsat.org [mailto:amsat-bb-boun...@amsat.org] On Behalf Of Ronald G. Parsons Sent: Monday, August 15, 2011 9:03 PM To: AMSAT-BB Subject: [amsat-bb] Certificate for receiving BPSK-1000 telemetry The ARISSat web site shows how to get a Reception Certificate for Voice ID, Voice Telemetry, and SSTV. I have screen shots of the BPSK-1000 reception and CW. How does one claim a certificate for BPSK-1000 reception? Ron W5RKN ___ Sent via AMSAT-BB@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@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
[amsat-bb] Voice Telem for ARISSAT1
Was able to grab telemetry off last pass over EN73. MET 60 I8U? +44deg C Cpanl +30deg C Bat Volt 35.85V ??? -16mA MET 63 Same stats except voltage was 8mA There was an additional voice telem, but was not able to pull it out at 1deg off LOS. Heard secret word, but was in spin when I heard it I believe and missed it. On vacation all week, so maybe tomorrow! Mike kb8zgl ___ Sent via AMSAT-BB@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
[amsat-bb] 2 Voice TLM Reports from 08-16-2011 @ 0:43:20UTC
ARISSat1 Heard at my QTH in Gridsquare EN50lm. It was in high power mode at the time. I'm sorry to hear that this little satellite is having battery issues. Hope my TLM data proves helpful. Josh Josh Golladay (KC9UJS) 212 Edwards Drive Normal, IL 61761 joshgolla...@gmail.com 309-824-6347 TLM Reports to follow: == 0:43:20 UTC 08-16-2011 MET = 62 minutes IHU Temp = +45 Degrees C Control Panel Temp = +30 Degrees C Battery Voltage = 35.73V Battery Current = -16ma 2 minutes earlier on the same pass MET = 60 IHU Temp = +44 Degrees C CPU Temp = +29 Degrees C Battery Voltage = 35.73V Battery Current = ??? (Static...could not copy.) ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSAT-1 CW beacon heard
Quickly dialed up 2 meter SSB/CW receiver this evening Heard ARISSAT-1 CW beacon (weak) -- 15 August, 21:15 CDT. Appeared to be in Lo Pwr mode, No BPSK telemetry or FM heard. Copied part of the CW beacon (some fading) the old fashion way -- no computers were used or harmed with this method. IHU 53C; CP 31C; Battery 35 C missed the current and then signal disappeared. == w9gb ___ Sent via AMSAT-BB@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
[amsat-bb] Voice TLM
Voice telemetry in FN43. 60442935.73-20201108160041 62453035.73-16201108160043 65453035.73-20201108160046 Scott N1AIA ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 15 Aug 2205 UTC
Dear All, Just to report that this morning, 15 Aug, 2205 UTC, ARISSat-1 was not heard over West Malaysia during 83 degree elevation pass. Looking forward to the evening pass later today. 73, Sion, 9M2CQC ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 Telemetry Decoding video
I created a video demonstration of the telemetry decoding session for the 16 August 2011 0034 UTC North American pass. Two frames of both telemetry and the Kursk experiment were decoded. For those that are interested. http://www.n4jtc.com/?p=121 73 Jason N4JTC ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 Voice Telemetry 03:44z 8/16/2011
An annoyingly high pass this evening (79 degrees, on the wrong side of a South-centered rotor)... 03:44z 8/16/2011 MET = 60 min IHU temp = +39c Control panel temp = +29c Battery = 35.58v Charge = -20ma Satellite appeared to switch to low power mode right before this, as there were a couple of voice greetings (Hi this is ARISSat-1) prior to the telemetry, then 2 minutes of silence. When the satellite came back after the 2 minute pause, I tried hitting the transponder with some CW dits. Nothing heard on the downlink, though my rotor was horribly mispositioned at the time (ref the afore mentioned annoyingly high pass...). Greg KO6TH ___ Sent via AMSAT-BB@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
[amsat-bb] ARISSat-1 voice telemetry 05:22z 8/16/2011
Hi folks, Another pass just now... 05:22z 8/16/2011 from CM98 in Northern Calif. MET = 64 min IHU Temp = +34c Control panel temp = +28c Battery = 35.86v Current = -4ma Low power mode, I think. 2 minutes off after the telemetry, then voices and an SSTV picture, but very poor reception for the second half of the pass, in contrast to prior passes. Given that the temperatures are falling, perhaps we have a different orientation? Greg KO6TH ___ Sent via AMSAT-BB@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
