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

W7MFR callsign genealogy

Currently held by RUZICKA, MICHAEL F

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 W7MFR's current licensee, walking backwards.

  1. K7WGFcancelled· G
    Fullenwider IV, William GORgranted 2013-10-19cancelled 2021-10-30
  2. WA6PJGactive· G
    Fullenwider IV, William GORgranted 2025-12-09

Successor callsigns

Callsigns held now by people who previously held W7MFR.

  1. WA6PJGactive· G
    Fullenwider IV, William GORgranted 2025-12-09
  2. W3XQactive· E
    RUZICKA, MICHAEL FMTgranted 2015-12-08

All historical holders

Every license row we've seen with the callsign W7MFR, oldest first.

  • RUZICKA, MICHAEL F MT
    2005-07-16 → cancelled 2006-01-07
  • Fullenwider IV, William G OR
    2021-10-30 → cancelled 2025-12-09
← Back to W7MFR License history →