Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4KEV callsign genealogy
Currently held by FREE, THOMAS 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 KF4KEV's current licensee, walking backwards.
- WHITE, KEVIN JFLgranted 2008-07-08cancelled 2008-08-02
Successor callsigns
Callsigns held now by people who previously held KF4KEV.
- FREE, THOMAS CNYgranted 2011-09-01cancelled 2019-03-29
All historical holders
Every license row we've seen with the callsign KF4KEV, oldest first.
- FREE, THOMAS C FL1996-06-07 → cancelled 2001-10-19
- White, Kevin J FL2018-06-01 active