Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1GCM callsign genealogy
Currently held by McDonald Jr, Gerald C
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 K1GCM's current licensee, walking backwards.
- McDonald Jr, Gerald CMAgranted 2003-03-24cancelled 2003-04-12
Successor callsigns
Callsigns held now by people who previously held K1GCM.
No current licensee on record previously held this callsign.