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.
Satellite Pass Calculator
When a satellite rises, peaks and sets over you, from a TLE you paste in. Runs offline.
Tools from Ham Radio Tools by ZS6SHZ, free and open source under the MIT licence. See his project