Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC6PJB callsign genealogy
Currently held by Barlow, Paul
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 KC6PJB's current licensee, walking backwards.
- Barlow, PaulCAgranted 2021-12-06cancelled 2021-12-28
Successor callsigns
Callsigns held now by people who previously held KC6PJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC6PJB, oldest first.
- MARTRALLI, ROCCO CA1990-11-13 → cancelled 2002-11-14
- Barlow, Paul CA2021-12-28 active