Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7COT callsign genealogy
Currently held by Cottrell, William 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 W7COT's current licensee, walking backwards.
- Cottrell, William BWAgranted 2015-12-24cancelled 2016-03-05
Successor callsigns
Callsigns held now by people who previously held W7COT.
No current licensee on record previously held this callsign.