Roger G3XBM's (Mainly) Amateur Radio Blog

It seems amazing that I made this transverter 10 years ago! This was me testing it just before boxing. 

The photo shows me breadboarding my 472kHz transverter some time ago when I was fit. This is probably beyond me now as my fine motor skills...

This was some years ago breadboarding my transverter for 472kHz in the back of the garage in the old QTH. 

Just after tea last night I replaced the PA in my transverter .  It was damaged when my loop was broken a few weeks ago in the gales. Sold...

I have had a great deal of fun on 472kHz even with a very low ERP (10mW ERP). Most nights I run my shack PC on batteries as the SMPSU char...

This is a fascinating MF band. I am truly amazed how slow the FCC has been releasing this band and the 136kH z band in the USA. Do they sle...

Over the winter I have been using my simple, small transverter for the 630m band on WSPR with my earth-electrode "antenna". It has...

It is always pleasing to see other versions of my designs being successfully built. This evening I chanced upon M0UKD's website showi...

Emeritus Prof Barry Chambers G8AGN from Sheffield (more usually a microwaves and nanowaves operator) has just sent me a couple of photos of...