Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9JRK callsign genealogy
Currently held by KORTH JR, JAMES R
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 N9JRK's current licensee, walking backwards.
- KORTH JR, JAMES RWIgranted 2011-09-02cancelled 2015-12-15
Successor callsigns
Callsigns held now by people who previously held N9JRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9JRK, oldest first.
- GARBER, CRAIG D IL1990-05-29 → cancelled 2002-05-30
- KORTH JR, JAMES R WI2025-12-06 active