Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GTM callsign genealogy
Currently held by Mackett, Glenn T
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 K7GTM's current licensee, walking backwards.
- Mackett, Glenn TUTgranted 2011-10-26cancelled 2011-12-06
Successor callsigns
Callsigns held now by people who previously held K7GTM.
No current licensee on record previously held this callsign.