Goonhilly WebSDR

This WebSDR is hosted at Goonhilly Earth Station in Cornwall at 50.0524°, -5.1823° (IO70JB).

144-146MHz

The VHF band uses an AMSAT VHF Turnstile antenna, with a G0MRF Preamp and an RTL-SDR. A FUNcube Groundstation using a FUNcube Dongle is also fed from the Preamp.

435-437MHz

The 70cms system uses a UHF turnstile antenna with MGF103 pre-amp from Antennas-Amplifiers at masthead and an RTL-SDR dongle.

1296-1298MHz

The 23cms system uses a 13 element yagi with a mast head narrow pass band filter followed G4DDK VLNA preamplifier. This feeds an Airspy SDR which is locked to a 10MHz Leo Bodnar GPS frequency reference.

2320–2321MHz

The 13cms system uses a 21 element yagi with a mast head SSB Electronics 2320 to 144MHz down converter with an external 90.66667MHz local oscillator signal generated by a Leo Bodnar frequency reference locked to GPS. This feeds an AirSpy SDR which is locked to a 10MHz Leo Bodnar GPS frequency reference, (shared with the 23cm system).

More information about the WebSDR software can be found on www.websdr.org

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