Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6GJJ callsign genealogy
Currently held by MURPHY III, JUSTIN J
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 KF6GJJ's current licensee, walking backwards.
- Murphy III, Justin JCAgranted 2018-02-16cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held KF6GJJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6GJJ, oldest first.
- MURPHY III, JUSTIN J CA1996-09-16 → cancelled 2008-09-17
- Murphy III, Justin J CA2018-03-06 active