Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3GMU callsign genealogy
Currently held by URBIN, GREGORY 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 K3GMU's current licensee, walking backwards.
- URBIN, GREGORY MMDgranted 1999-04-28cancelled 2000-05-26
Successor callsigns
Callsigns held now by people who previously held K3GMU.
- URBIN, GREGORY MOKgranted 2017-08-25