Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4SBB callsign genealogy
Currently held by PARTIN II, JOHN S
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 N4SBB's current licensee, walking backwards.
- Partin II, John SNCgranted 2014-02-25cancelled 2014-04-18
Successor callsigns
Callsigns held now by people who previously held N4SBB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4SBB, oldest first.
- BULLARD, JAMES R NC1998-02-25 → cancelled 2010-02-26
- PARTIN II, JOHN S NC2024-02-14 active