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

N9ILS callsign genealogy

Currently held by Martinez, Enrique A

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 N9ILS's current licensee, walking backwards.

  1. KF9MDcancelled· E
    Martinez, Enrique AINgranted 2006-10-19cancelled 2007-10-30
  2. AD7FEcancelled· E
    Martinez, Enrique AAZgranted 2004-06-19cancelled 2006-10-19
  3. AB9JSactive· E
    STEVENS, JOHN WAZgranted 2016-07-26
  4. N9JYOcancelled· E
    STEVENS, JOHN WAZgranted 2014-02-28cancelled 2016-07-26

Successor callsigns

Callsigns held now by people who previously held N9ILS.

  1. KF9EMcancelled· E
    Martinez, Enrique AVIgranted 2020-08-18cancelled 2026-02-20
  2. WO9Uactive· E
    CZERWONKA, TIMOTHY JWIgranted 2020-01-09
← Back to N9ILS License history →