Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KV4DU callsign genealogy
Currently held by Collis, JULIE n
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 KV4DU's current licensee, walking backwards.
- SMITH, JULIE AFLgranted 1995-09-11cancelled 2000-01-27
Successor callsigns
Callsigns held now by people who previously held KV4DU.
- COLLIS, JULIE NGAgranted 2022-12-22