Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5CBP callsign genealogy
Currently held by PETROFF, 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 W5CBP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5CBP.
No current licensee on record previously held this callsign.