Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DHA callsign genealogy
Currently held by ALLEN, DONALD H
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 K4DHA's current licensee, walking backwards.
- ALLEN, DONALD HNCgranted 2004-04-13cancelled 2009-06-09
Successor callsigns
Callsigns held now by people who previously held K4DHA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DHA, oldest first.
- INGRAM, SARAH M TN1994-10-21 → cancelled 2006-10-24
- ALLEN, DONALD H NC2019-03-18 active