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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N8SI callsign genealogy

Currently held by BRANSFORD, JOHN 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 N8SI's current licensee, walking backwards.

  1. KC8YJDcancelled· E
    Brennan Jr, Michael JOHgranted 2003-09-18cancelled 2004-04-30

Successor callsigns

Callsigns held now by people who previously held N8SI.

  1. AB8Ocancelled· E
    BRANSFORD, JOHN DMIgranted 2002-04-10cancelled 2003-02-11
  2. AJ4DBcancelled· E
    BRANSFORD, JOHN DMIgranted 2001-03-16cancelled 2001-07-26

All historical holders

Every license row we've seen with the callsign N8SI, oldest first.

  • BRANSFORD, JOHN D MI
    2000-09-02 → cancelled 2001-03-16
  • BRANSFORD, JOHN D MI
    2001-10-12 → cancelled 2002-04-10
  • Brennan Jr, Michael J OH
    2026-04-28 active