Amateur radio operator : person or structure having the possibility to intercept radio transmissions on the frequencies reserved to amateur radio operators
APRS: acronym for Automatic Positioning Reporting System. It allows the visualization on a map of the movement of certain tools or the information of fixed stations
HF: acronym for High Frequency. They represent a particular range of frequencies which allow long distance communications
LPD: acronym for Low Power Device. These tools have a low power, can be freely used and are very useful for short distance communications
CB: acronym for Citizen Band. These frequencies are used by small transceivers
SSTV: acronym for Slow Scan TeleVision. It allows the transmission of images at low scanning rates through radio frequencies
ATV: acronym for Amateur TeleVision. It allows the transmission and reception of audio video signals either live either through relay bridges |