Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD7ALD callsign genealogy
Currently held by HERBENSON, H JOHN
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 KD7ALD's current licensee, walking backwards.
- DEWITT, ALAN LUTgranted 2013-04-23cancelled 2018-02-03
Successor callsigns
Callsigns held now by people who previously held KD7ALD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD7ALD, oldest first.
- HERBENSON, H JOHN ID1998-02-02 → cancelled 2010-02-03
- DEWITT, ALAN L UT2018-02-03 active