Resources
Useful tools and resources for amateur radio operators, from beginners to experts.
Band Plan
Quick reference for US amateur bands
Propagation
Live solar and band conditions
Callsign Lookup
Search any amateur callsign
WSPR Map
Live propagation map from WSPR beacons
On The Air
See who's active on the bands
POTA & SOTA
Parks & Summits on the Air activity
ARES / SKYWARN
Emergency communications info
Calculators
Antenna, coax, power & Ohm's Law
Links
Curated external resources