Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TYO callsign genealogy
Currently held by Arms, Gary 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 K4TYO's current licensee, walking backwards.
- Arms, Gary CGAgranted 2012-08-08cancelled 2016-06-04
Successor callsigns
Callsigns held now by people who previously held K4TYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TYO, oldest first.
- ARMS, JAMES C GA2004-11-24 → cancelled 2014-06-10
- Arms, Gary C GA2016-06-04 active