Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5THA callsign genealogy
Currently held by OAKES, JOHN T
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 K5THA's current licensee, walking backwards.
- Oakes 936, Jeff TARgranted 2019-07-27cancelled 2019-08-13
Successor callsigns
Callsigns held now by people who previously held K5THA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5THA, oldest first.
- OAKES, JOHN T AR2000-06-22 → cancelled 2012-06-23
- Oakes, Jeffery T AR2019-08-13 active