Roger G3XBM's (Mainly) Amateur Radio Blog

If you want to look at the quirkier side of SW radio activity check out http://www.shortwaveamerica.blogspot.com which is written by Dan KC...

137.5kHz WSPR TX transverter My WSPR beacon will be on-air from 7-11pm UK time Friday and any reports would be appreciated.

The <20uW ERP 137.675kHz beacon was copied again by G3XIZ 48km to the west of me last night. I'm pleased with this report as the po...

http://www.senacases.com/ has a case for the Apple iPad which incorporates a Bluetooth connected full keyboard. Excuse me, but why not jus...

This evening I restarted beaconing with my sub-20uW ERP beacon on 137.675kHz having fixed the blown FET PA. The current design is stable and...

The current UK applications for sub-9kHz NoVs have now been forwarded to the Met Office and I understand they have been received. With luck ...

If you fancy a job engineering radio instrumentation below 10kHz here is your chance. Armargh is in Northern Ireland, which is a truly beaut...

For the last few days we've been looking after our 2yr 10month old grandson and this has meant a break from radio during the period as h...

My heatsinks and more IRF510s have arrived in the post today. All being well I'll get these into my 136kHz QRSS3 beacon and transverter ...

After a busy few days building LF kit (and blowing it up!) it is now time again for our grandchildren. Our younger grandson came to stay l...