Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6CD callsign genealogy
Currently held by TERZO, SAM L
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 AA6CD's current licensee, walking backwards.
- Douglas, Walter CCAgranted 2013-03-21cancelled 2020-09-05
Successor callsigns
Callsigns held now by people who previously held AA6CD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA6CD, oldest first.
- TERZO, SAM L CA1997-01-30 → cancelled 2009-01-31
- Douglas, Walter C CA2020-09-05 active