Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9JKB callsign genealogy
Currently held by Barrentine, James K
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 N9JKB's current licensee, walking backwards.
- BARRENTINE, JAMES KOHgranted 2005-04-13cancelled 2005-05-13
Successor callsigns
Callsigns held now by people who previously held N9JKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9JKB, oldest first.
- EMMERICH, SHIRLEY A WI1991-10-08 → cancelled 2003-10-09
- Barrentine, James K OH2015-03-31 active