Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JAR callsign genealogy
Currently held by ROACH, JOHN 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 K5JAR's current licensee, walking backwards.
- Robinette, Jason AARgranted 2025-04-16cancelled 2025-05-09
Successor callsigns
Callsigns held now by people who previously held K5JAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5JAR, oldest first.
- ROACH, JOHN A TX2010-03-23 → cancelled 2022-03-24
- Robinette, Jason A AR2025-05-09 active