Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9PCB callsign genealogy
Currently held by BLAS, CHARLES A
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 W9PCB's current licensee, walking backwards.
- BLAS, CHARLES ACAgranted 2011-04-25cancelled 2011-05-20
Successor callsigns
Callsigns held now by people who previously held W9PCB.
- BLAS, CHARLES ACAgranted 2021-05-18