Local Beacons

K4RCA/B 1296.240 MHz Grid square EM97we (37.19733 N -80.1527 W) Elevation 3800 ft   Located on Poor Mountain behind Roanoke, VA Notes: While not GPS locked, the transmitter frequency is controlled by a high stability ovenized crystal oscillator.  The transmit frequency should be within a few 10’s of Hertz of the specified frequency.  The transmitter […]

Learn About Digital Mobile Radio (DMR)


What is Digital Mobile Radio (DMR)? It’s an open digital radio standard that can be used by amateur radio operators to use digital infrastructure such as the Internet to provide communication. Want to know more? Here are some resources to help you along your learning journey! Wikipedia https://en.wikipedia.org/wiki/Digital_mobile_radio The best podcasts on the subject to […]