Transponder Passband When I tried to make my first QSO via a Satellite that uses a Linear Transponder, I got lost therefore I made the following table so that I had an idea on which frequency to transmit and what … Continue reading →

AMRAD OSCAR (AO-27) AO-27 is an amateur satellite constructed by the Amateur Radio Research and Development Corporation (AMRAD) at the facilities of Interferometrics in McLean, Virginia. It was originally designed as a commercial satellite known as EYESAT-1 but its completion … Continue reading →

AMSAT OSCAR 7 (AO-7) AO-7 (aka AMSAT-OSCAR 7) is the second Phase 2 amateur satellite launched into Low Earth Orbit on 15 November 1974. It remained operational until a battery failure in 1981. On 21 June 2002 the satellite was … Continue reading →

For decoding information that I recieve I am using the following equipment Signalink USB The SignaLink USB brings the A/D, D/A converters and op amp closer to the transceiver interface, which reduces overall noise in the system. Better yet, instead … Continue reading →

PRISM Pico-satellite for Remote-sensing and Innovative Space Missions. The University of Tokyo launched On 23.01.2009 at 03:54 UTC an H-IIA F15 rocket from Tanegashima Space Center in Japan. Main payload GOSAT (Ibuki), was the world’s first satellite that will study … Continue reading →

CubeSat OSCAR CO-58 (XI-V / SAI FIVE) Originally XI-V is a backup model of XI-IV, and there has been no plan to launch it. However XI-IV was so successful, and a propose has come to verify the new type of … Continue reading →