Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K4NKB callsign genealogy
Currently held by Kirk, Jonathan 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 K4NKB's current licensee, walking backwards.
- Kirk, Jonathan RFLgranted 2019-08-27cancelled 2022-05-03
Successor callsigns
Callsigns held now by people who previously held K4NKB.
No current licensee on record previously held this callsign.