Category Archives: OSCAR

Es’hail-2: Hams Get Their First Geosynchronous Repeater

In the radio business, getting the high ground is key to covering as much territory from as few installations as possible. Anything that has a high profile, from a big municipal water tank to a roadside billboard to a remote hilltop, will likely be bristling with antennas, and different services …read more

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Posted in amateur radio, AMSAT, DATV, Engineering, geosynchronous, Hackaday Columns, ham, Hams in Space, OSCAR, Qatar, QO-100, repeater, satellite, space, transponder, wireless hacks | Leave a comment

Hams see Dark Side Of The Moon Without Pink Floyd

Ham radio operators bouncing signals off the moon have become old hat. But a ham radio transmitter on the Chinese Longjiang-2 satellite is orbiting the moon and has sent back pictures of the Earth and the dark side of the moon. The transceiver’s main purpose is to allow hams to downlink telemetry and relay messages via lunar orbit.

While the photo was received by the Dwingeloo radio telescope, reports are that other hams also picked up the signal. The entire affair has drawn in hams around the world. Some of the communications use a modulation scheme devised by [Joe Taylor, …read more

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Posted in china, ham radio, lunar, moon, news, OSCAR, radio hacks, satellite, space | Leave a comment