Roger G3XBM's (Mainly) Amateur Radio Blog

Many times before I have mentioned how good SPRAT magazine is. This comes out every quarter and is now in full colour A5 format.  ...

For very many years now I have been a member of the GQRP Club. This is an excellent organisation that produces a quarterly magazine called S...

Several times in the past I have said that, if all other magazines had to be cancelled I'd keep GQRP Club's SPRAT magazine. This sm...

See http://www.gqrp.com/ . Many times before I have said that SPRAT is the last magazine I would give up if I had to. GQRP Club members...

I have many times said that if all radio magazines had to go, then GQRP Club's SPRAT would be the very last to go. This quarterly mag...

I am a great supporter of the GQRP club. Their quarterly magazine SPRAT represents the very best in Amateur Radio. If you are interested in ...

As the first part of my WSPR transceiver project for 28MHz, I breadboarded a Polyakov harmonic mixer based, crystal controlled, direct conve...

Tony Fishpool G4WIF, G4CCQ, G3OOU and others have created an on-line, downloadable, GQRP Data Book which has the pin-outs of a number of de...