Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0GLF callsign genealogy
Currently held by PETERSON, JOSEPH 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 KC0GLF's current licensee, walking backwards.
- Cunningham, Fred RCOgranted 2024-04-16cancelled 2024-05-04
Successor callsigns
Callsigns held now by people who previously held KC0GLF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0GLF, oldest first.
- PETERSON, JOSEPH M KS1999-09-17 → cancelled 2011-09-20
- Cunningham, Fred R CO2024-05-04 active