Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI5CPB callsign genealogy
Currently held by Blocher, 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 WI5CPB's current licensee, walking backwards.
- Blocher, PaulWIgranted 2020-06-26cancelled 2020-07-21
Successor callsigns
Callsigns held now by people who previously held WI5CPB.
No current licensee on record previously held this callsign.