Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD9DT callsign genealogy
Currently held by RINKER, DOUGLAS A
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 AD9DT's current licensee, walking backwards.
- RINKER, DOUGLAS AILgranted 2024-01-24cancelled 2024-02-06
Successor callsigns
Callsigns held now by people who previously held AD9DT.
No current licensee on record previously held this callsign.