[amsat-bb] Re: New Satellite Downlink?

2010-08-26 Thread Robert Bruninga
Transits #23 and #25. object nos 19070 and 19419. Here is a possible application based on the unique nature of the navigation message which is 26 lines of 6 words with each being 39 bits. But the first 8 lines are changed every 2 minutes by inserting a new line and scrolling off the oldest

[amsat-bb] Re: Circular Polarized Antennae

2010-08-26 Thread i8cvs
- Original Message - From: Spectrum International, Inc spectrum.ma.ultra...@rcn.com To: John Hackett_LA2QAA archie.hack...@hotmail.com Cc: la2...@amsat.org; AMSAT-BB amsat-bb@amsat.org Sent: Wednesday, August 25, 2010 4:49 PM Subject: [amsat-bb] Circular Polarized Antennae Snip There

[amsat-bb] FS: Kenwood TT2000 HF/VHF/UHF satellite radio

2010-08-26 Thread John Geiger
I have for sale or trade a 2008 model Kenwood TS2000 that does 100 watts on HF, 6m, and 2m, and 50 watts on 70cm. I bought this radio used from Ham Radio Outlet at the beginning of June, so it has been checked out recently and found to work perfectly. Really like it but life things come up and

[amsat-bb] Re: SO-50

2010-08-26 Thread Ng, Peter
I was also surprised at how quiet SO-50 was during my initial attempts. I thought there something wrong with my setup. I find the traffic on SO-50 is very light. Don't know why...could be the time of day (or night in my case). I had great help from KC2WQW and W6ZKH. Regardless of anyone

[amsat-bb] Re: SO-50

2010-08-26 Thread Sebastian
SO-50 is generally quiet during the day for a few reasons. Many people are at work, and it's also a weak bird that is not as easy to hear as AO-51. It also requires a PL to turn it on if it's off, and then another PL to use it. Also many satellite enthusiasts use the TS-2000 which has a

[amsat-bb] Re: New Satellite Downlink? (Drawing)

2010-08-26 Thread Robert Bruninga
Here is more info on how we could use the Navigation message of these old satellites for a rudimentary satellite Q-Tweet system. That is, you can send Quarter-Tweets for inclusion in the downlink... But only after you have scheduled a login and obtained (in the next downlink) your authorization

[amsat-bb] Re: New Satellite Downlink?

2010-08-26 Thread Robert Bruninga
I've done DSP soundcard coding before. Years ago I wrote a DGPS decoder, so if you need some more coders, I'd be happy to help. I'm embarassed that I still have not heard the bird on 2 tries. Its supposed to be on 149.987 MHz and you can hear it's 2.3 KHz tone with an FM receiver... I did

[amsat-bb] Happy Birthday from Space

2010-08-26 Thread ps8rf Piraja
Hello all, Fabiano CT7ABD/PY5RX, yesterday August 25, had a one day doubly special. First the date of his birthday and secondly, by receiving his congratulations ( Happy Birthday ) sung by the crew of the International Space Station directly from space. Fabiano is a great radio operator and