I'm preparing to build my 40m version of Roger G3XBM's XBM80-2 QRPP transceiver into a little box but before I start I have one thi...

My QRP crystals finally arrived. Murphy worked overtime on this eBay purchase: the first batch apparently got lost in the post and the repla...

Hot from the K3UK Sked page . "Breaking news from ARRL. They concur that ROS is a spread spectrum mode and as such is not allowed by t...

Attempts to use the newly developed ROS weak signal mode are resulting in more chaos and frustration this morning as an increasing number o...

Late this afternoon I noticed that the ROS website had been updated with a new frequency suggestion for 20m 1 baud operation of 14.105, so ...