Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N8SEF callsign genealogy
Currently held by MAC ALPINE, GREGORY R
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 N8SEF's current licensee, walking backwards.
- Frazier, StevenOHgranted 2021-04-19cancelled 2021-05-07
Successor callsigns
Callsigns held now by people who previously held N8SEF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8SEF, oldest first.
- MAC ALPINE, GREGORY R MI2001-11-21 → cancelled 2014-02-19
- Frazier, Steven OH2021-05-07 active