Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DJW callsign genealogy
Currently held by Warren, Donald J
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 K7DJW's current licensee, walking backwards.
- Warren, Donald JWAgranted 2018-01-23cancelled 2019-07-30
Successor callsigns
Callsigns held now by people who previously held K7DJW.
No current licensee on record previously held this callsign.