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

KI7MEZ callsign genealogy

Currently held by Engel, Frederick N

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 KI7MEZ's current licensee, walking backwards.

  1. N1YNPactive· T
    Engel, Frederick NWAgranted 2021-11-13

Successor callsigns

Callsigns held now by people who previously held KI7MEZ.

  1. N1YNPactive· T
    Engel, Frederick NWAgranted 2021-11-13
  2. N1YNPcancelled· T
    Engel, Frederick NMTgranted 2017-07-04cancelled 2021-05-07

All historical holders

Every license row we've seen with the callsign KI7MEZ, oldest first.

  • Engel, Frederick N MT
    2017-03-30 → cancelled 2017-07-04
  • Engel, Frederick N MT
    2021-05-07 → cancelled 2021-11-13
← Back to KI7MEZ License history →