Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9DD callsign genealogy
Currently held by Drews, Dirk J
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 AD9DD's current licensee, walking backwards.
- Drews, Dirk JWIgranted 2007-12-27cancelled 2009-03-13
Successor callsigns
Callsigns held now by people who previously held AD9DD.
No current licensee on record previously held this callsign.