Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5JA callsign genealogy
Currently held by EHLER III, 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 K5JA's current licensee, walking backwards.
- ARTMAN, DAVID ETXgranted 2018-12-07cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held K5JA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5JA, oldest first.
- EHLER III, JOHN T TX2008-02-20 → cancelled 2020-02-21
- ARTMAN, DAVID E IN2020-03-10 active