Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WIL callsign genealogy
Currently held by Martin, William W
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 K7WIL's current licensee, walking backwards.
- Lockwood, William RWAgranted 2009-04-23cancelled 2016-03-25
Successor callsigns
Callsigns held now by people who previously held K7WIL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7WIL, oldest first.
- Martin, William W AZ2002-07-30 → cancelled 2014-07-31
- Lockwood, William R WA2026-08-27 active