Discovering the radio spectrum.

Join me on a journey through the airwaves with Amateur Radio

Find me on APRS

Find 2E0SQL via APRS, you might even be lucky to find him out cycling.

Monitor HF Noise Floor

We have a Sentinel HF SDR noise measurement receiver running 24/7 connected to an active antenna monitoring the HF noise floor in central Oxford.

Live Logbook

The 2E0SQL logbook is available online in real time.

Recent Blog Posts

Contesting in Guernsey

July saw the annual return to Guernsey for the IOTA Contest, although this year certainly felt different with the loss of Louis 2U0FER, however we promised ourselves we’d carry on the trip. The trip as always starts with the travel across 3 days before the IOTA...

PSAT – PSK31 Satellite Transponder

On Wednesday the 20th of May while away on the Isle of Mull, another group of satellites got launched into space, included in this military launch was PSAT a satellite which has onboard a APRS digi on 145.825 but a PSK transponder with a 10m uplink and 70cms downlink...

Automatically change CW Skimmer frequencies via a timer

Last week during the regular confabs’ with Iain (M0PCB) we was discussing how best to utilise the RF Space SDR-IQ receivers we both have so that we can make a poor man’s CW Skimmer Server. We had already both seen comments about W3OAs applications but neither of us...