The IC705 is the latest and smallest multi-band transceiver by Icom. It covers HF to UHF all mode at 10w (5w on an internal battery) Power measurement on WM2 meter with external power supply RF Power % Measured Power (W) 100 10w 75 7.2w 50 5w 25 2.5w 10 1w 5 0.5w 0 100mW Supply […]
Welcome to Part 1, this covers the initial build of the U3S, Part 2 covers the addition of the LPF relay board. Some month ago I purchased a Ultimate 3S QRP transmitter from QRP Labs. The latest version is the ultimate 3S and it comes with a number of options. Over the christmas holidays I decided […]
George M1GEO and myself took part in the RSGB 70 MHz trophy contest this weekend at the Kelvedon hatch Secret Nuclear Bunker contest site. The weather was ideal for alfresco operating, using the Icom 7100 and homebrew 6e beam at 10m on the Racal PU12 mast. Using 50w and a 85Ah leisure battery we operated […]
One answer is to to learn a low powered digital mode, CW fits the bill but things have moved on in the last 100 years and computers have provided an even better, more robust form of digital communication. What am I talking about? No not the internet, but low power digital modes like JT65, JT9, […]