Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CWB callsign genealogy
Currently held by CAWTHORNE, WILLIAM 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 W7CWB's current licensee, walking backwards.
- CAWTHORNE, WILLIAM AIDgranted 2019-06-04cancelled 2019-11-08
Successor callsigns
Callsigns held now by people who previously held W7CWB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CWB, oldest first.
- BUSH III, CHARLES W AZ2002-06-15 → cancelled 2014-06-17
- CAWTHORNE, WILLIAM A ID2019-11-08 active