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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4SOI callsign genealogy

Currently held by BROWN SR, GRANT E

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 N4SOI's current licensee, walking backwards.

  1. N8ICScancelled· G
    BROWN SR, GRANT ENCgranted 2010-02-02cancelled 2017-09-06
  2. N8SQZcancelled· T
    BROWN SR, GRANT EOHgranted 2002-01-24cancelled 2010-02-02

Successor callsigns

Callsigns held now by people who previously held N4SOI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4SOI, oldest first.

  • BONNER, HERBERT W FL
    1988-03-15 → cancelled 2000-03-16
  • BROWN SR, GRANT E NC
    2017-09-06 active
← Back to N4SOI License history →