Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JTG callsign genealogy
Currently held by Gammon, Jeffery T
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 K4JTG's current licensee, walking backwards.
- Gammon, Jeffery TTNgranted 2011-06-17cancelled 2016-05-20
Successor callsigns
Callsigns held now by people who previously held K4JTG.
No current licensee on record previously held this callsign.