50 tools · by ZS6SHZ

Tools

Calculators, antenna designs and quick references for the shack and the field. They work in your browser; anything you save stays on your device.

Callsign Lookup

Which country issued a call sign (ITU series), plus islands, DL/ prefixes and /P /MM suffixes.

Tools from Ham Radio Tools by ZS6SHZ, free and open source under the MIT licence. See his project