Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JGP callsign genealogy
Currently held by GUSTAVSON, WALTER L
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 K4JGP's current licensee, walking backwards.
- POKROY, JANET GFLgranted 2015-02-02cancelled 2015-03-10
Successor callsigns
Callsigns held now by people who previously held K4JGP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JGP, oldest first.
- GUSTAVSON, WALTER L FL1988-05-03 → cancelled 2000-05-04
- POKROY, JANET G FL2024-12-21 active