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

NI9G callsign genealogy

Currently held by Miller, Theodore

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 NI9G's current licensee, walking backwards.

  1. AF7YYcancelled· E
    Miller, TheodoreAZgranted 2016-03-03cancelled 2017-11-17
  2. KI7BWTcancelled· E
    Miller, TheodoreAZgranted 2016-03-03cancelled 2016-05-17

Successor callsigns

Callsigns held now by people who previously held NI9G.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign NI9G, oldest first.

  • SIMSTAD, THOMAS N IN
    2005-06-14 → cancelled 2017-09-08
  • Miller, Theodore AZ
    2017-11-17 active
← Back to NI9G License history →