Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5JTW callsign genealogy
Currently held by Warren, James 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 K5JTW's current licensee, walking backwards.
- Warren, James TTXgranted 2004-04-26cancelled 2004-08-17
Successor callsigns
Callsigns held now by people who previously held K5JTW.
No current licensee on record previously held this callsign.