Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JCX callsign genealogy
Currently held by CORBIN, JOHN D
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 K4JCX's current licensee, walking backwards.
- HERNDON, JAMES CFLgranted 2011-07-22cancelled 2011-08-13
Successor callsigns
Callsigns held now by people who previously held K4JCX.
- CORBIN, JOHN DNCgranted 2019-04-25
All historical holders
Every license row we've seen with the callsign K4JCX, oldest first.
- SMITH, HAROLD A TN1988-03-15 → cancelled 2000-03-16
- CORBIN, JOHN D NC2008-04-01 → cancelled 2009-06-16
- HERNDON, JAMES C FL2021-07-29 active