Search

Radio Propagation


Solar X-rays:
Status
Geomagnetic field:
Status
D-Region Absorption
Prediction:
Status
Created by PA4RM

During October and corresponding with the ARRL Simulated Emergency Test (SET), Military Auxiliary Radio System (MARS) members will be reaching out to the amateur radio community to continue building working relationships and improving interoperability. As part of this effort, MARS will be promoting the use of a serial phase-shift keying protocol, Military Standard 188-110 (M110), on the 60-mete...

Read more