Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7WYS callsign genealogy
Currently held by PETERSON, FREDERICK L
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 K7WYS's current licensee, walking backwards.
- Boatright, Matthew JWYgranted 2018-10-16cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held K7WYS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7WYS, oldest first.
- PETERSON, FREDERICK L WA1994-04-05 → cancelled 2006-04-06
- Boatright, Matthew J WY2018-11-06 active