Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB5GKM callsign genealogy
Currently held by McFather, David
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 WB5GKM's current licensee, walking backwards.
- McFather, DavidMOgranted 2025-02-15cancelled 2025-03-21
Successor callsigns
Callsigns held now by people who previously held WB5GKM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5GKM, oldest first.
- GIBSON, JULIAN C TX1999-01-12 → cancelled 2011-01-13
- McFather, David MO2025-03-21 active