Tag Archives: AO

AO-27 Demo

Posted on 05/05/2012 by M0TFO

AO-27 transmits with a power output of 0.5 W into a quarter-wavelength whip antenna. Satellites are approximately 500 miles (800 km) distant when directly overhead and over 2,000 miles (3,200 km) distant when near the horizon. For use on AO-27 … Continue reading →

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Qtmm soundcard modem for decoding AFSK1200

Posted on 02/02/2012 by M0TFO

  Qtmm is a simple AFSK1200 decoder that uses the computer’s sound card for input. It can be used to decode packet radio, APRS and telemetry from OSCAR and Cubesats. Testing shows a good performance in monitoring the International space … Continue reading →

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AO, Cubesat Mission Concept Studies

Posted on 23/01/2012 by M0TFO

(Source: Technology Strategy Board) CubeSats offer huge potential to accelerate technology development of sensors and instruments in a miniaturised package for deployment in space. New technology concepts for space missions can be demonstrated on CubeSat payloads, delivering a test bed at … Continue reading →

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Amateur radio satellite AO-51 remembered

Posted on 05/12/2011 by M0TFO

Dozens of messages were posted to the Amsat-bb after the news of the amateur radio satellite AO-51‘s end of mission was received. Many remembered their contacts, several thanked the Operating Team. Many noted that AO-51 was the satellite that brought them … Continue reading →

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AO-51 Current Status

Posted on 26/11/2011 by M0TFO

AMSAT-NA VP Operations Drew Glasbrenner KO4MA reports on Friday’s IHU crash on the Amateur Radio satellite AO-51. Sometime between 1815 and 1945Z November 25, AO-51′s IHU crashed. This happened after a few days of intermittent and unpredictable operation. Mark N8MH and … Continue reading →

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