Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7FFF callsign genealogy
Currently held by FISTS NORTHWEST
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 K7FFF's current licensee, walking backwards.
- Phillips, RonWAgranted 2021-03-01cancelled 2021-03-23
Successor callsigns
Callsigns held now by people who previously held K7FFF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7FFF, oldest first.
- FISTS NORTHWEST OR2008-08-08 → cancelled 2020-08-11
- Phillips, Ronald WA2021-03-23 active