Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4PJK callsign genealogy
Currently held by KERNS, JOHN M
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 K4PJK's current licensee, walking backwards.
- KERNS, JOHN MFLgranted 2016-02-01cancelled 2016-04-05
Successor callsigns
Callsigns held now by people who previously held K4PJK.
No current licensee on record previously held this callsign.