Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9TZU callsign genealogy
Currently held by Newlin, Deanna 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 N9TZU's current licensee, walking backwards.
- Newlin, Deanna JILgranted 2009-08-26cancelled 2011-06-07
Successor callsigns
Callsigns held now by people who previously held N9TZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9TZU, oldest first.
- CROSLOW, WALLACE E IL2004-08-24 → cancelled 2009-06-05
- Newlin, Deanna J IL2021-08-16 active