Space plasma experiment “Shadow” onboard International Space Station (ISS) with participation of radio amateurs. Motivation and background Many space professionals are looking forward to further space exploration using electric thrusters (ET). Unlike ordinary chemical propulsion systems, ET demonstrate much more … Continue reading
RS-40 is launched. A Russian Rockot Launch Vehicle blasted off from Pad 133/3 at the Plesetsk Cosmodrome at 1:35 GMT on Saturday, July 28 on a mission to deliver four payloads to Low Earth Orbit. All payloads were delivered to … Continue reading
Always wanted to know what kind of sounds we hear, when listening to the radio? Here are some example and I will try to add more. ACARS: Aircraft Communications Addressing and Reporting System (or ACARS) is a digital datalink system … 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
FITSAT-1 (NIWAKA) We have developed a 5.8GHz high speed transmitter for artificial satellites. It consists of an exciter module with a 115.2kbps FSK modulator and a liner amplifier which amplifies a 10mW signal to 4W. We are now developing a … Continue reading
ARISSat-1 is a microsat developed as a follow-on to the SuitSat-1 project. The satellite was launched to the ISS on January 28th, 2011, with deployment into space during an EVA (spacewalk) on February 16, 2011. The satellite will downlink live … Continue reading