Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5JWM callsign genealogy
Currently held by MONTGOMERY, GILBERT F
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 W5JWM's current licensee, walking backwards.
- McCullough, Jim WSCgranted 2024-06-18cancelled 2024-07-06
Successor callsigns
Callsigns held now by people who previously held W5JWM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5JWM, oldest first.
- MONTGOMERY, GILBERT F TX2007-08-17 → cancelled 2019-10-29
- McCullough, Jim W SC2024-07-06 active