Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7DKF callsign genealogy
Currently held by KNEBEL, HARVEY L
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 W7DKF's current licensee, walking backwards.
- Hallett, Donald DAZgranted 2023-05-10cancelled 2023-05-31
Successor callsigns
Callsigns held now by people who previously held W7DKF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DKF, oldest first.
- KNEBEL, HARVEY L MT2006-10-20 → cancelled 2019-02-12
- Hallett, Donald D UT2023-05-31 active