A new graphing tool has been developed by Jim, G3YLA of the Propagation Studies Committee to show the near real-time critical frequency over the UK and the predicted maximum usable frequency over different paths.
A feature on how to use the free tool appears in the July issue of RadCom.
But if you want to try the critical frequency tool on your own it can be found at www.convectiveweather.co.uk/ionosphere and there are useful help files to get you going.
ARRL and the Radio Society of Great Britain will jointly sponsor events to celebrate the achievement of transatlantic communications by radio amateurs 100 years ago. In December 1921, ARRL sent Paul F. Godley, 2ZE, as its representative to... Read more
New from Alinco is the DR-MD500T, then dual band DMR mobile version of their popular dual band DMR HT. DR-MD500T Dual Band Mobile DMR VHF/UHF Portable Radio Alinco’s latest Advanced Dual Band Mobile DMR VHF/UHF DR-MD500T Part 90 trans... Read more
Icom is allowing the download of 3D data of the exterior case of the IC-705 HF/VHF/UHF Mobile Transceiver allowing customers to create their own relat... Read more
“I met Mary at the Huntsville hamfest showing SwapMyRigs.com with her Father AE4S. This is a unique product that allows you to remote your ham r... Read more
Modernization of multi-kilowatt RF communication and data transmission systems is pushing the requirements of what traditional vacuum electron devices... Read more