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

K1MJC callsign genealogy

Currently held by CORMIER, 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 K1MJC's current licensee, walking backwards.

  1. KC1JPYcancelled· G
    CORMIER, MICHAEL JMAgranted 2018-04-19cancelled 2020-09-18
  2. KC1JOUcancelled· T
    CORMIER, MICHAEL JMAgranted 2018-04-19cancelled 2018-05-01

Successor callsigns

Callsigns held now by people who previously held K1MJC.

  1. N1CRactive· E
    CORMIER, MICHAEL JMAgranted 2026-08-04

All historical holders

Every license row we've seen with the callsign K1MJC, oldest first.

  • WIHBEY, FRANCIS R ME
    2005-06-18 → cancelled 2017-07-22
  • CORMIER, MICHAEL J MA
    2020-09-18 → cancelled 2026-08-04