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Frequency Reference
Comprehensive frequency reference organized by service. Select a category to browse.
✈️
Aviation
VHF airband (118–137 MHz), VOR/ILS (108–117.95 MHz), DME/TACAN, transponder (1030/1090 MHz), and radar altimeter.
⚓Marine
VHF marine channels (1–88), MF/HF distress frequencies (2182 kHz+), NAVTEX (518 kHz), and DSC channels.
🆘Emergency & SAR
COSPAS-SARSAT (406 MHz), ELT (121.5/406 MHz), EPIRB, PLB, GPS/GNSS bands (L1/L2/L5), Inmarsat-C, and AIS.
📻Amateur Radio
HAM band plan (160m–70cm), national simplex frequencies, standard repeater offsets, and CTCSS tones.
🎙️Personal Radio
GMRS/FRS channels and power limits, MURS, and CB radio channels 1–40.
📶Telemetry & Unlicensed
FPV video (5.8 GHz bands A/B/E/F/R), RC control links (2.4 GHz, 915 MHz, 433 MHz), rocketry telemetry, APRS (144.390 MHz), and 900 MHz ISM.