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

W9MW callsign genealogy

Currently held by SCHMAHL, PHILLIP 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 W9MW's current licensee, walking backwards.

  1. W9PHLcancelled· E
    SCHMAHL, PHILLIP NWIgranted 2022-03-08cancelled 2022-12-02
  2. KD9UILcancelled· T
    SCHMAHL, PHILLIP NWIgranted 2022-02-14cancelled 2022-03-08

Successor callsigns

Callsigns held now by people who previously held W9MW.

  1. N5HRWcancelled· E
    WOOD, MICHAEL RTXgranted 2020-10-06cancelled 2022-02-05

All historical holders

Every license row we've seen with the callsign W9MW, oldest first.

  • Johnson, Ernest H IL
    2006-11-28 → cancelled 2019-02-21
  • WOOD, MICHAEL R TX
    2019-03-12 → cancelled 2020-10-06
  • SCHMAHL, PHILLIP N WI
    2022-12-02 active