Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4YOU callsign genealogy
Currently held by McCampbell Jr, Joseph H
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 KJ4YOU's current licensee, walking backwards.
- McCampbell Jr, Joseph HFLgranted 2009-06-04cancelled 2009-06-23
Successor callsigns
Callsigns held now by people who previously held KJ4YOU.
No current licensee on record previously held this callsign.