Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4DQM callsign genealogy
Currently held by Chatham Emergency Radio Club
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KJ4DQM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ4DQM.
- N4CEMcancelledChatham Emergency Radio ClubGAgranted 2018-03-01cancelled 2026-06-01