Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4DH callsign genealogy
Currently held by Hopkins, Dennis M
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 AC4DH's current licensee, walking backwards.
- Hopkins, Dennis MSCgranted 2019-08-09cancelled 2019-08-30
Successor callsigns
Callsigns held now by people who previously held AC4DH.
- SMITH, DOUGLAS AALgranted 2017-02-28