Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4CDW callsign genealogy
Currently held by Wentworth, Clifton 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 KJ4CDW's current licensee, walking backwards.
- Wentworth, Clifton DTNgranted 2008-01-07cancelled 2008-01-25
Successor callsigns
Callsigns held now by people who previously held KJ4CDW.
- Wentworth, Clifton DTNgranted 2019-02-01