EME and MS weekend.

Members of the Secret Nuclear Bunker Contest Group (SNBCG) assembled at Kelvendon Hatch to try 144 MHz (Earth Moon Earth) EME and MS (Meteor Scatter) over the weekend of the ARRL EME event As a group we have tried with some success MS QSO and this helped lay the foundation for this weekend’s EME event. […]

10 Band FT8 and FT4 Skimmer

Using the Hermes Lite and Spark SDR software I was able to monitor 10 bands simultaneously. Alan M0NNB provides some excellent software that works with the Hermes Lite SDR, it’s especially good for band skimming. The software and radio can also be used as a 4 band TX/RX combination or configures as 10 Band RX […]

Receive Active Loop Antenna

I operate 2 multi-band receivers, both capable of receive from 0 to 30 MHz and I wanted to find a receive antenna that would perform well on HF and LF. Dipoles, long wires or EFHW are fine up to a point, but without some matching, they will not work over a wide frequency range. The […]

Listening to HF Air Traffic

The HF bands still provide some interesting listening, even with all the modern technology it still provides a low cost backup. Air traffic will of course use VHF within a couple of hundred miles of land, but that means on transatlantic flights the vast majority is outside of VHF coverage. HF is by no means […]

RF Explorer 6G

The RF Explorer range of handheld spectrum analysers can provide you with the ideal companion for hunting down rough RF. This could be a source of interference or looking for a mystery frequency. The spectrum analyser comes in a number of different formats, the 6G combo gives you coverage up to 6.1 GHz. The unit […]