Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JNG callsign genealogy
Currently held by GRAIF, JOSEPH N
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 K4JNG's current licensee, walking backwards.
- GRAIF, JOSEPH NVAgranted 2007-12-13cancelled 2017-08-05
Successor callsigns
Callsigns held now by people who previously held K4JNG.
No current licensee on record previously held this callsign.