Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7M callsign genealogy
Currently held by LARSON, JAMES M
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 KF7M's current licensee, walking backwards.
- Orgill, Jeffrey SWAgranted 2018-08-07cancelled 2026-02-27
Successor callsigns
Callsigns held now by people who previously held KF7M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF7M, oldest first.
- LARSON, JAMES M ID2015-09-10 → cancelled 2024-02-06
- Orgill, Jeffrey S WA2026-02-27 active