Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1DD callsign genealogy
Currently held by Dow, Carl W
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 AB1DD's current licensee, walking backwards.
- Dow, Carl WVTgranted 2003-03-20cancelled 2004-02-26
Successor callsigns
Callsigns held now by people who previously held AB1DD.
No current licensee on record previously held this callsign.