Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0CBP callsign genealogy
Currently held by Pfeifer, Christopher B
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 W0CBP's current licensee, walking backwards.
- Pfeifer, Christopher BSDgranted 2021-12-23cancelled 2022-06-28
Successor callsigns
Callsigns held now by people who previously held W0CBP.
- Pfeifer, Christopher BSDgranted 2024-08-30