Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0TRS callsign genealogy
Currently held by Berger, Matthew 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 N0TRS's current licensee, walking backwards.
- Berger, Matthew ATXgranted 2025-05-13cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held N0TRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0TRS, oldest first.
- FLOWERS, WILLIAM P CO1992-08-04 → cancelled 2004-08-05
- COCHRAN, SUSAN A LA2008-03-18 → cancelled 2020-03-19
- Berger, Matthew A TX2025-06-03 active