Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4TA callsign genealogy
Currently held by Adkinson, Tim
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 AD4TA's current licensee, walking backwards.
- Adkinson, TimKYgranted 2016-01-28cancelled 2016-03-15
Successor callsigns
Callsigns held now by people who previously held AD4TA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD4TA, oldest first.
- HOWELL, THOMAS D FL2003-11-29 → cancelled 2015-11-24
- Adkinson, Tim KY2026-01-13 active