Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4GTI callsign genealogy
Currently held by FRIEND SR, JOHN C
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 W4GTI's current licensee, walking backwards.
- KM4FXLcancelledGTCC Amateur Radio ClubNCgranted 2014-11-14cancelled 2015-01-21
Successor callsigns
Callsigns held now by people who previously held W4GTI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4GTI, oldest first.
- FRIEND SR, JOHN C FL1988-06-21 → cancelled 2000-06-22
- GTCC Amateur Radio Club NC2025-02-15 active