Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4IST callsign genealogy
Currently held by DUPREE, JAMES 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 W4IST's current licensee, walking backwards.
- Ortiz, Javier JFLgranted 2022-08-23cancelled 2022-09-13
Successor callsigns
Callsigns held now by people who previously held W4IST.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4IST, oldest first.
- DUPREE, JAMES N FL2006-05-12 → cancelled 2018-06-26
- Ortiz, Javier J FL2022-09-13 active