Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NX7T callsign genealogy
Currently held by WARNER, MICHAEL R
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 NX7T's current licensee, walking backwards.
- Piotrowski, Adam PNVgranted 2017-12-07cancelled 2021-12-24
Successor callsigns
Callsigns held now by people who previously held NX7T.
- WARNER, MICHAEL RKYgranted 2019-12-03
All historical holders
Every license row we've seen with the callsign NX7T, oldest first.
- WARNER, MICHAEL R KY2012-04-24 → cancelled 2019-12-03
- Piotrowski, Adam PA2021-12-24 active