Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9US callsign genealogy
Currently held by DALTON, 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 W9US's current licensee, walking backwards.
- COZART, EDWARD EILgranted 2014-03-19cancelled 2020-05-19
Successor callsigns
Callsigns held now by people who previously held W9US.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9US, oldest first.
- DALTON, DONALD J IL2008-02-09 → cancelled 2020-04-29
- COZART, EDWARD E IL2020-05-19 active