Ham, or Amateur Radio, can provide the best and most reliable communication in the event of an area-wide disaster. Handheld Ham radios are ideal for this purpose. Handheld HAM radios are battery-operated, free from wires, and other supporting systems....
Software-defined Radios are used by Academics, Hobbyists and Professionals alike. They are used to track ships and planes, in radio astronomy, to track wild animals, ham radio and for a number of other interesting applications. We have written a longer article on applicationshere. ...
I used an 148' longwire-on-ground antenna on HF for several years before deploying the LoG. It did have some bi-directional directivity, but again, only where it was like twice or more the received frequency's wavelength. Otherwise it as largely omnidirectional below a wavelength or so. ...
CQRLOG is intended for daily general logging of HF, CW & SSB contacts and strongly focused to easy operation and maintenance. More details in About section. You can write your own review of the CQRLOG for Linux at eHam.net. New users: Use your ham radio call sign as user name while ...
The Airspy HF+ (top) and FDM-S2 (bottom). Photo by Guy Atkins. By and large, SDRs are quite a value when compared to legacy all-hardware radios. For example, I wouldn’t hesitate to pit my SDRs––such as the $500Elad FDM-S2or$900 WinRadio Excalibur––against legacy receivers tha...