Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GMM callsign genealogy
Currently held by MARBUT, GARY
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 K7GMM's current licensee, walking backwards.
- MARBUT, GARYMTgranted 2013-11-12cancelled 2013-11-30
Successor callsigns
Callsigns held now by people who previously held K7GMM.
No current licensee on record previously held this callsign.