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

N7TMB callsign genealogy

Currently held by ISHII, NANCY K

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 N7TMB's current licensee, walking backwards.

  1. KJ7KFOcancelled· T
    BLACKHAM, TREVIN MUTgranted 2019-11-06cancelled 2020-01-24

Successor callsigns

Callsigns held now by people who previously held N7TMB.

  1. AE7HPcancelled· E
    Nielson, Scott VORgranted 2005-05-06cancelled 2010-08-10

All historical holders

Every license row we've seen with the callsign N7TMB, oldest first.

  • ISHII, NANCY K WA
    1991-08-06 → cancelled 2003-08-07
  • Nielson, Scott V OR
    2005-05-06 → cancelled 2010-07-13
  • BLACKHAM, TREVIN M UT
    2020-01-24 active
← Back to N7TMB License history →