Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5GRM callsign genealogy
Currently held by CREW, GLENDA L
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 KC5GRM's current licensee, walking backwards.
- MUNDKOWSKY, GREGORY RTXgranted 2020-02-26cancelled 2020-05-02
Successor callsigns
Callsigns held now by people who previously held KC5GRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5GRM, oldest first.
- CREW, GLENDA L OK1994-05-31 → cancelled 2006-06-01
- MUNDKOWSKY, GREGORY R TX2020-05-02 active