What Is an Amateur Radio Repeater?

The code name of an amateur radio station to distinguish it from another station. Referred to as call sign.

Call sign for amateur radio

Right!

Codename of an amateur radio station, used for

The code name of an amateur radio station, which is used to distinguish the station. Referred to as call sign.

amateur

China (People's Republic of China and Taiwan)

The International Telecommunication Union stipulates that certain letter combinations cannot be used for call signs. They are: Combinations that may be confused with distress signals or other signals of similar nature. For example, "SOS" is a distress signal and "XXX" is an emergency signal. "TTT" is a safety signal, etc. A combination of abbreviations reserved for radio communication services, such as waiting for Q abbreviations. ^[1]