Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM5XF callsign genealogy
Currently held by JOHNSON, GILBERT P
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 KM5XF's current licensee, walking backwards.
- JOHNSON, GILBERT PMSgranted 1990-01-09cancelled 2000-08-03
Successor callsigns
Callsigns held now by people who previously held KM5XF.
- JOHNSON, GILBERT PMSgranted 2020-07-07