IRLP rules them all
Superior to all the new digital voice modes – combined. KE9V
Digital revolution or evolution?
Few or even no CW / SSB signals on the HF bands while at the same time seeing lots of activity throughout the digital portion of the bands. VE7SL
More Antennas! Receiver Overload! Satellites!
In my never-ending quest to develop the perfect high-altitude ballooning chase car, I've added a commercial 70cm turnstile antenna. RF Head
The 6m band holy grail
For us here in Europe the holy grail of the 6m band would be working Japan on 50MHz. PE4BAS
Hamradio Line Loss Calculator for iOS devices
Coax Line from Federico Romano, IW2MVI is a simple and fast app that allows you to calculate the loss of your coax line. Mac Ham Radio
Monitoring railroad ATCS control signals with an RTL-SDR
ATCS is used for things like communications between trains, rail configuration data, train location data, speed enforcement, fuel monitoring, train diagnostics and general instructions and messages. RTL-SDR.com
Sporadic E Skip on 10 Meter hand held radio
Be sure to check out 10 meters and 6 meters for sporadic E propagation late mornings or in the evenings. Now is a good time of the year. RadioHamGuy