Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MTS callsign genealogy
Currently held by BROWDER, ROBERT C
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 N4MTS's current licensee, walking backwards.
- DAHER, JOSEPH RFLgranted 2023-10-17cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held N4MTS.
- TINSLEY, CHARLESGAgranted 2020-08-28
All historical holders
Every license row we've seen with the callsign N4MTS, oldest first.
- BROWDER, ROBERT C LA1994-09-29 → cancelled 2006-09-30
- TINSLEY, CHARLES GA2017-06-09 → cancelled 2020-08-28
- DAHER, JOSEPH R FL2025-01-11 active