We in the Amateur Radio community are all assigned a unique identifier that is named a “callsign”. The unique callsign prefix is associate to the respected country and suffix the person. Grenada 🇬🇩 prefix is J3. Followed by our qualification and unique assigned letter(s).
An example of an active callsign is as follows : J35V or J39KM or J33VN
Grenada Amateur Radio Society
https://grenadaamateurradio.blogspot.com/2020/01/grenada-amateur-radio-society.html
J30 Reserved
J31 Reserved
J32 Repeaters and Experimental Stations
J33 Novice Class licencee (National)
J34 Contest Calls Only
J35 Advanced Class licencee (National)
J36 Station, National Organisation, Club Call signs
J37 Resident Non-Nationals
J38 Visiting Amateurs, Special calls
J39 General Class licencee (National)