Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4DT callsign genealogy
Currently held by Rankin, James E
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 AG4DT's current licensee, walking backwards.
- Rankin, James EOKgranted 2017-06-23cancelled 2021-05-28
Successor callsigns
Callsigns held now by people who previously held AG4DT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AG4DT, oldest first.
- Daniel, David R FL2000-11-01 → cancelled 2012-11-02
- Rankin, James E OK2021-05-28 active