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

N0IX callsign genealogy

Currently held by ROBBINS, MARK G

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 N0IX's current licensee, walking backwards.

  1. KO4YQZcancelled· E
    Sauerbier, Jason RVAgranted 2022-03-16cancelled 2022-05-14

Successor callsigns

Callsigns held now by people who previously held N0IX.

  1. N4EOactive· E
    Sauerbier, Jason RFLgranted 2025-02-11
  2. K0BRAactive· E
    Gentges, Douglas ACOgranted 2020-04-25
  3. KB9RMactive· E
    ROBBINS, MARK GMNgranted 2016-11-14

All historical holders

Every license row we've seen with the callsign N0IX, oldest first.

  • ROBBINS, MARK G MN
    1998-07-09 → cancelled 2007-02-08
  • Gentges, Douglas A CO
    2019-01-31 → cancelled 2020-04-25
  • Sauerbier, Jason R FL
    2022-05-14 → cancelled 2025-02-11
← Back to N0IX License history →