Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JTL callsign genealogy
Currently held by WINDHAM, CARL 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 K4JTL's current licensee, walking backwards.
- LOWE, JAMES TKYgranted 2004-07-22cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held K4JTL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JTL, oldest first.
- WINDHAM, CARL C KY1995-01-20 → cancelled 2007-01-23
- LOWE, JAMES T KY2017-01-17 active