Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1FFO callsign genealogy
Currently held by KOWAL, BRIAN 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 K1FFO's current licensee, walking backwards.
- KOWAL, BRIAN WOHgranted 2017-05-19cancelled 2019-06-07
Successor callsigns
Callsigns held now by people who previously held K1FFO.
No current licensee on record previously held this callsign.