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

K1MZ callsign genealogy

Currently held by ZAK, MICHAEL J

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 K1MZ's current licensee, walking backwards.

  1. AA7VRcancelled· E
    LANGRELL, MICHAEL DIDgranted 2023-01-28cancelled 2023-12-12
  2. N7SWV
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K1MZ.

  1. W1MBTactive· E
    Camerlin, Marc AMAgranted 2021-11-23
  2. W1MUactive· E
    ZAK, MICHAEL JMAgranted 2020-01-04

All historical holders

Every license row we've seen with the callsign K1MZ, oldest first.

  • ZAK, MICHAEL J MA
    1997-10-09 → cancelled 2000-02-08
  • Camerlin, Marc A MA
    2012-11-10 → cancelled 2021-11-23
  • LANGRELL, MICHAEL D ID
    2023-12-12 active
← Back to K1MZ License history →