Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3GMM callsign genealogy
Currently held by Murphy, Gary M
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 K3GMM's current licensee, walking backwards.
- Murphy, Gary MCOgranted 2021-12-13cancelled 2022-01-05
Successor callsigns
Callsigns held now by people who previously held K3GMM.
No current licensee on record previously held this callsign.