Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4HFR callsign genealogy
Currently held by Davis, Justin B
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 K4HFR's current licensee, walking backwards.
- Davis, Justin BTNgranted 2021-04-22cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held K4HFR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4HFR, oldest first.
- DANIELSON, ASA R NC2006-11-14 → cancelled 2019-02-12
- Davis, Justin B TN2021-05-11 active