Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4PGB callsign genealogy
Currently held by Heiber, Paul C
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 KO4PGB's current licensee, walking backwards.
- Heiber, Paul CFLgranted 2020-11-12cancelled 2020-12-22
Successor callsigns
Callsigns held now by people who previously held KO4PGB.
No current licensee on record previously held this callsign.