Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4JVO callsign genealogy
Currently held by CAMPBELL, CHRIS W
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 KB4JVO's current licensee, walking backwards.
- Campbell, Christopher WTNgranted 2014-11-05cancelled 2014-11-25
Successor callsigns
Callsigns held now by people who previously held KB4JVO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4JVO, oldest first.
- CAMPBELL, CHRIS W TN1995-01-27 → cancelled 2005-02-24
- Campbell, Christopher W TN2025-11-26 active