Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4DHH callsign genealogy
Currently held by Herring Jr, 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 W4DHH's current licensee, walking backwards.
- Herring Jr, Donald HFLgranted 2009-06-11cancelled 2010-06-08
Successor callsigns
Callsigns held now by people who previously held W4DHH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DHH, oldest first.
- HOOKS, ERNEST R FL1993-11-23 → cancelled 1999-01-15
- Herring Jr, Donald H FL2020-03-13 active