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.
DCS Codes
Search the 104 standard three-digit octal digital coded squelch codes and learn about polarity.
Tools from Ham Radio Tools by ZS6SHZ, free and open source under the MIT licence. See his project