Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9ZTC callsign genealogy
Currently held by CHAPMAN, DAVID D
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 N9ZTC's current licensee, walking backwards.
- Chapman, David DTXgranted 2019-02-28cancelled 2019-03-22
Successor callsigns
Callsigns held now by people who previously held N9ZTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9ZTC, oldest first.
- CHAPMAN, DAVID D IL1995-01-12 → cancelled 2007-01-13
- Chapman, David D TX2019-03-22 active