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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WC7M callsign genealogy

Currently held by CLINE, 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 WC7M's current licensee, walking backwards.

  1. WB7RWScancelled· E
    CLINE, Michael JIDgranted 2022-02-10cancelled 2022-07-23
  2. KC7ZHPcancelled· T
    CLINE, MICHAEL JIDgranted 1997-10-03cancelled 2002-04-26

Successor callsigns

Callsigns held now by people who previously held WC7M.

  1. W7CWactive· E
    OSTREM, JAY ESDgranted 2018-07-17

All historical holders

Every license row we've seen with the callsign WC7M, oldest first.

  • MILLER, DENIS C OR
    2010-05-11 → cancelled 2022-07-06
  • CLINE, Michael J ID
    2022-07-23 active
← Back to WC7M License history →