Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9AMT callsign genealogy
Currently held by Tuholski, Marc 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 N9AMT's current licensee, walking backwards.
- Tuholski, Marc AINgranted 2019-12-04cancelled 2020-02-22
Successor callsigns
Callsigns held now by people who previously held N9AMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9AMT, oldest first.
- WAGNER, RICHARD L FL2005-03-18 → cancelled 2017-03-21
- Tuholski, Marc A IN2020-02-22 active