Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DHF callsign genealogy
Currently held by FRANCIS, DONALD E
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 K4DHF's current licensee, walking backwards.
- GUGU, CIPRIAN FTNgranted 2020-05-07cancelled 2021-07-31
Successor callsigns
Callsigns held now by people who previously held K4DHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DHF, oldest first.
- FRANCIS, DONALD E FL1994-05-10 → cancelled 2006-05-11
- Gugu, Ciprian F TN2021-07-31 active