Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4SGQ callsign genealogy
Currently held by SEWELL, ALVIN 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 N4SGQ's current licensee, walking backwards.
- SEWELL, ALVIN DGAgranted 1996-09-12cancelled 2001-05-01
Successor callsigns
Callsigns held now by people who previously held N4SGQ.
- SEWELL, ALVIN DFLgranted 2006-12-19cancelled 2013-07-23