Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JKR callsign genealogy
Currently held by Reherman, Justin
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 K4JKR's current licensee, walking backwards.
- Reherman, JustinFLgranted 2022-05-24cancelled 2022-06-18
Successor callsigns
Callsigns held now by people who previously held K4JKR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JKR, oldest first.
- BRANGAN JR, WALTER J FL2007-04-26 → cancelled 2019-07-03
- Reherman, Justin FL2022-06-18 active