Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9KZH callsign genealogy
Currently held by TROGLIN, DANIEL A
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 N9KZH's current licensee, walking backwards.
- Troglin, Daniel AINgranted 2019-06-14cancelled 2021-05-18
Successor callsigns
Callsigns held now by people who previously held N9KZH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9KZH, oldest first.
- TROGLIN, DANIEL A IN1991-04-09 → cancelled 2003-04-10
- Troglin, Daniel A IN2021-05-18 active