Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0SDB callsign genealogy
Currently held by Brewer, Scott D
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 N0SDB's current licensee, walking backwards.
- Brewer, Scott DCOgranted 2019-01-31cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held N0SDB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SDB, oldest first.
- RASSET, TIMOTHY P ND1992-04-21 → cancelled 2004-04-22
- Brewer, Scott D CO2019-02-20 active