QO-100 Geo-stationary Amateur Radio Transponders
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Introduction to QO-100
For the first time in Radio Amateur history, amateurs have access to two geostationary transponders on the Qatari Eshail-2 commercial TV satellite - Uplink on 2.4 GHz (13-cm band) and downlink on 10.45 GHz (3-cm band)
More about the QO-100 Transponders
Three “Modern Miracles”
There are a number of “Modern Miracles” involved with QO-100:
- The Geostationary Satellite
- The Low Noise Block (“LNB”)
- The Software-Defined Radio (“SDR”)
- Associated Software
- “Web SDR”
More about these “Modern Miracles”…
Receiving Equipment @ G8HJT
Acquiring a QO-100 signal
Transmitting through QO-100
Be aware that most 2.4 GHz uplink PA’s need 24 to 28 volts DC… !!
QO-100 Coverage…
There is anecdotal evidence emerging that the QO-100 Narrow-Band Transponder coverage is just beyond the “optical horizon”…