Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6HF callsign genealogy
Currently held by Fenninger, Harold F
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 KF6HF's current licensee, walking backwards.
- Fenninger, Harold FCAgranted 2015-12-08cancelled 2017-03-07
Successor callsigns
Callsigns held now by people who previously held KF6HF.
No current licensee on record previously held this callsign.