Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SEF callsign genealogy
Currently held by MOTSINGER, SCOTT A
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 K4SEF's current licensee, walking backwards.
- MOTSINGER, SCOTT ANCgranted 2018-06-14cancelled 2018-07-07
Successor callsigns
Callsigns held now by people who previously held K4SEF.
- Thigpen, Jeffrey WNCgranted 2022-03-02
All historical holders
Every license row we've seen with the callsign K4SEF, oldest first.
- Thigpen, Jeffrey W NC2009-05-16 → cancelled 2012-03-06
- MOTSINGER, SCOTT A NC2018-07-07 active