Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ4DJR callsign genealogy
Currently held by Robey, Douglas 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 KZ4DJR's current licensee, walking backwards.
- Robey, Douglas JFLgranted 2021-11-01cancelled 2021-11-23
Successor callsigns
Callsigns held now by people who previously held KZ4DJR.
No current licensee on record previously held this callsign.