Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0PCB callsign genealogy
Currently held by Berwick, 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 K0PCB's current licensee, walking backwards.
- Berwick, Paul CSDgranted 2021-11-15cancelled 2021-12-28
Successor callsigns
Callsigns held now by people who previously held K0PCB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0PCB, oldest first.
- SULLIVAN, ROBERT E IA1994-05-17 → cancelled 2006-05-18
- Berwick, Paul C SD2021-12-28 active