Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KNX callsign genealogy
Currently held by COKER, TERRY B
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 K4KNX's current licensee, walking backwards.
- KNOX, RICHARD MTNgranted 2010-09-10cancelled 2011-12-02
Successor callsigns
Callsigns held now by people who previously held K4KNX.
- COKER, TERRY BTNgranted 2007-11-20cancelled 2010-01-22
All historical holders
Every license row we've seen with the callsign K4KNX, oldest first.
- COKER, TERRY B TN2003-05-28 → cancelled 2007-11-20
- KNOX, RICHARD M TN2021-09-28 active