Roger G3XBM's (Mainly) Amateur Radio Blog

Dave Benson K1SWL has produced some wonderful Small Wonder Lab kits over the years including the famous RockMite transceivers, but he ha...

A reminder that the ARRL 10m contest is on next weekend (not this) over the full 48 hours Dec 8th and 9th. As conditions on 10m are pretty ...

When I was working I had access to a guillotine to snap out large pieces of copper laminate to convenient sizes for project breadboards. Bei...

Good progress today with the transmit side of my Tenbox 10m AM transceiver. The series  modulator was breadboarded a few days ago, so toda...

In the Japanese home market, several of the transceivers available in the USA and Europe are available in lower power versions too. For exam...

The website http://www.saynoto0870.com/ is a useful resource in the UK if you are looking for a lower cost, or even free, way to contact co...

Julian G4ILO has posted a piece on his excellent blog about the CQWW DX CW contest this weekend. Well, yesterday was my wife's birthday...

On the LF reflector there was a salutary message from Mike G3XDV today.  Doing some 136kHz tests overnight his loading coil caught fire mel...

With the Tenbox coming along just fine - I should have a completed breadboard version on-air this week - I am beginning to think that I coul...

At the recent RSGB Spectrum Forum Meeting (Nov 3rd 2012) the ongoing matter of an AM calling/working frequency was raised. At issue is why ...