Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NW7BC callsign genealogy
Currently held by Caldwell, Warren 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 NW7BC's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NW7BC.
No current licensee on record previously held this callsign.