Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JCW callsign genealogy
Currently held by WREN, JOHN 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 K4JCW's current licensee, walking backwards.
- WREN, JOHN CGAgranted 1997-03-10cancelled 2000-03-21
Successor callsigns
Callsigns held now by people who previously held K4JCW.
No current licensee on record previously held this callsign.