Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9THI callsign genealogy
Currently held by STROOT, CHRISTOPHER M
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 N9THI's current licensee, walking backwards.
- STROOT, CHRISTOPHER MINgranted 2015-03-12cancelled 2017-06-06
- KE4ZXEno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N9THI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9THI, oldest first.
- VERTZ, DANIEL C WI2003-02-04 → cancelled 2015-05-05
- STROOT, CHRISTOPHER M IN2017-06-06 active