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.

Number Codes & 92 Code

73, 88, QRP’s 72 and selected historical number signals, with meanings, examples and Morse notation.

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