CB Radio and marine radio, spare parts,Handheld Ham Radio Antenna,Walkie Talkie; Used widely at antenna scanner, UHF,VHF Frequency Connect and Radio Station Antenna Convertion; application for ...

A tool called the Automatic Packet Reporting System (APRS) is fairly robust in the very high frequency (VHF) part of the amateur radio spectrum ... and running in the HF range, letting his ...