:Re: Any amateur satellites above 70cm band (microwave bands) ?
DTUSat-2 (object 40030) is operating at 2401.835 MHz sending a full or partial beacon every 30 seconds. Since the Doppler is 100 KHz over the entire pass, it's tricky copying it with a traditional receiver such as an FT-847 (Doppler correction has to be right on). It's best seen with a SDR. Since its batteries are dead, it signals cannot be heard in eclipse. Its in an almost perfect polar orbit and can be copied around noon daily everywhere on earth. It is listed in the AMSAT keps and pass predictions. Also see http://wakky.asablo.jp/blog/
Also, I've heard that the ISS sends out a very strong video carrier at 2395 MHz (my converter will not tune that low).
I asked a ham in Italy to check it out and he indicated it is always on.
I hope this helps.
Mike (K9QHO)
I can confirm the ISS HamTV "blank" video signal was heard by my ground receiving station at 03:02 UTC_2018_03_31
73 Joe VK5EI
On Sun, Apr 1, 2018 at 2:36 AM, MICHAEL WILLIAMS k9qho67622@comcast.net wrote:
DTUSat-2 (object 40030) is operating at 2401.835 MHz sending a full or partial beacon every 30 seconds. Since the Doppler is 100 KHz over the entire pass, it's tricky copying it with a traditional receiver such as an FT-847 (Doppler correction has to be right on). It's best seen with a SDR. Since its batteries are dead, it signals cannot be heard in eclipse. Its in an almost perfect polar orbit and can be copied around noon daily everywhere on earth. It is listed in the AMSAT keps and pass predictions. Also see http://wakky.asablo.jp/blog/
Also, I've heard that the ISS sends out a very strong video carrier at 2395 MHz (my converter will not tune that low).
I asked a ham in Italy to check it out and he indicated it is always on.
I hope this helps.
Mike (K9QHO) _______________________________________________ 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
FWIW they do turn off HamTV for space walks and also docking/undockings. I think there is one experiment they do occasionally that they have to turn it off for. But yes, other than that, it's on all the time.
73, John Brier KG4AKV
On Sat, Mar 31, 2018 at 12:06 PM, MICHAEL WILLIAMS k9qho67622@comcast.net wrote:
DTUSat-2 (object 40030) is operating at 2401.835 MHz sending a full or partial beacon every 30 seconds. Since the Doppler is 100 KHz over the entire pass, it's tricky copying it with a traditional receiver such as an FT-847 (Doppler correction has to be right on). It's best seen with a SDR. Since its batteries are dead, it signals cannot be heard in eclipse. Its in an almost perfect polar orbit and can be copied around noon daily everywhere on earth. It is listed in the AMSAT keps and pass predictions. Also see http://wakky.asablo.jp/blog/
Also, I've heard that the ISS sends out a very strong video carrier at 2395 MHz (my converter will not tune that low).
I asked a ham in Italy to check it out and he indicated it is always on.
I hope this helps.
Mike (K9QHO) _______________________________________________ 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 (3)
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Joe Pereira -
John Brier -
MICHAEL WILLIAMS