Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1BRS callsign genealogy
Currently held by SWEET, RALPH F
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 N1BRS's current licensee, walking backwards.
- SCHNELL, BRADLEYMTgranted 2015-10-21cancelled 2023-09-23
Successor callsigns
Callsigns held now by people who previously held N1BRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1BRS, oldest first.
- SWEET, RALPH F ME1988-08-09 → cancelled 2000-08-10
- Philbrick, Zachary M MA2009-05-29 → cancelled 2021-06-02
- SCHNELL, BRADLEY MT2023-09-23 active