Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KT4ROY callsign genealogy
Currently held by The Trojan Amateur Radio Club
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 KT4ROY's current licensee, walking backwards.
- KK4YOGcancelledThe Trojan Amateur Radio ClubALgranted 2014-02-25cancelled 2014-05-10
Successor callsigns
Callsigns held now by people who previously held KT4ROY.
No current licensee on record previously held this callsign.