Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6F callsign genealogy
Currently held by Herrmann, Bruce A
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 KF6F's current licensee, walking backwards.
- Herrmann, Bruce AWAgranted 2024-12-06
Successor callsigns
Callsigns held now by people who previously held KF6F.
- Herrmann, Bruce AWAgranted 2024-12-06
All historical holders
Every license row we've seen with the callsign KF6F, oldest first.
- FARWELL, JOHN F CA2005-11-21 → cancelled 2018-02-17
- Herrmann, Bruce A WA2018-03-13 → cancelled 2024-12-06