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
- 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
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
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
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
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
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
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