Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4SBW callsign genealogy
Currently held by TOTTEN, PHILLIP 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 N4SBW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4SBW.
- TOTTEN, PHILLIP FFLgranted 2009-04-17cancelled 2021-04-20
All historical holders
Every license row we've seen with the callsign N4SBW, oldest first.
- TOTTEN, PHILLIP F FL2008-02-02 → cancelled 2009-04-17
- WEBB, SCOTT B TN2025-12-12 active