Russian Callsign database
- Russians Ham on-line lookup database. Search and create new callsign records. The most full russian and CIS callsign database (more 50,000 CIS records). More than 1,400,000 international calls.
- The Olivia transmission system is constructed of two layers: the lower, modulation layer is an (almost) classical Multi-Frequency Shift Keying (MFSK) and the higher layer is a Forward Error-Correcting (FEC) code based on Walsh functions.
Yaesu FT-857 description
- The FT-857, the world's smallest HF/VHF/UHF mobile transceiver, provides base station-type performance from an ultra-compact package that's ideal for mobile or external battery portable work.
- CountyLog windows amateur radio logging program. Log county contacts, export to ADIF, and access the Who's on the Air Database. Commercial version with free limited version availbale.