Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK4JC callsign genealogy
Currently held by CAPLINS, JOHN J
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 KK4JC's current licensee, walking backwards.
- CAPLINS, JOHN JVAgranted 2014-02-14cancelled 2014-04-22
Successor callsigns
Callsigns held now by people who previously held KK4JC.
- TURNER, JAMES MTNgranted 2021-03-23
All historical holders
Every license row we've seen with the callsign KK4JC, oldest first.
- TURNER, JAMES M TN2006-07-11 → cancelled 2011-06-18
- CAPLINS, JOHN J SC2024-02-06 active