Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7LOY callsign genealogy
Currently held by SHELTON, FREDERIC J
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 K7LOY's current licensee, walking backwards.
- Shelton, Mark FWAgranted 2024-11-16cancelled 2025-05-02
Successor callsigns
Callsigns held now by people who previously held K7LOY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7LOY, oldest first.
- SHELTON, FREDERIC J WA2008-04-28 → cancelled 2020-07-28
- Shelton, Mark F WA2025-05-02 active