Local QRM reduction
- It is not always possible to tackle the sources of local QRM. What remains is trying to reduce the noise level by means of your antenna system.
Learn how to reduce QRM and understand how cancell noises by PA0SIM
Duracell DR36 battery to the FT 817
- The Duracell DR 36 laptop battery can be easily find and supplies 12 volts X 4 amperes.
The main advantages on this system are, the weight, size, quick battery changing and no stress to the FT 817 power connector by PY1AHD
Nokia Mobira Benefon Ericsson & Philips mods
- Conversion notes and amateur radio firmware especially for Finnish PMR radios and cellular phones like Nokia, Mobira and Benefon. Also some information for other European brands (Ericsson, Key Radio/Kyodo, Philips) and an extensive link collection.