Posts tagged as satellite

SDR: The new wave in amateur radio

  Software defined radio (SDR) is by no means a new technology – not even in amateur radio. It has been widely used in the mobile and other communications industries. AMSAT SA has embarked on a SDR project which is aimed at developing a SDR transponder for a future satellite project. But let as take […]

Sub-Saharan Africa produces less CO2 than Europe

  Scientists have produced the first global maps of human emissions of carbon dioxide ever made solely from satellite observations of the greenhouse gas. The maps, based on data from NASA’s Orbiting Carbon Observatory-2 (OCO-2) satellite and generated with a new data-processing technique, agree well with inventories of known carbon dioxide emissions. No satellite before […]

Remarkable recovery of satellite studying the sun

  After 22 months, on 21 August 2016, NASA scientists re-established contact with STEREO-B, one of NASA’s solar terrestrial relations observatories, after communication was lost on 1 October 2014. Scientists recently started a monthly recovery operation, using NASA’s deep space network, or DSN, which tracks and communicates with missions throughout space. Their persistence was crowned […]

Getting ready for amateur radio’s first geostationary satellite

  If all goes according to plan the Qatar Satellite Company’s second satellite, Es’hailSat-2, will be placed in a geostationary orbit by a Space-X Falcon-9 rocket in early January 2017. The Qatar Amateur Radio Society (QARS) managed to secure the privilege to have an amateur radio payload as part of Es’hailSat-2. Discussions regarding the payload […]

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