Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5PB callsign genealogy
Currently held by Klymus, William J
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 W5PB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5PB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5PB, oldest first.
- SHELBY AMATEUR RADIO CLUB WY2006-08-08 → cancelled 2018-11-06
- Klymus, William J TX2018-11-24 active