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

W0MLS callsign genealogy

Currently held by Swanson, Michael L

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 W0MLS's current licensee, walking backwards.

  1. K0MLScancelled· T
    Swanson, Michael LMNgranted 2020-03-31cancelled 2023-02-10
  2. KD0AMBcancelled· T
    Swanson, Michael LMNgranted 2007-04-30cancelled 2010-03-23

Successor callsigns

Callsigns held now by people who previously held W0MLS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W0MLS, oldest first.

  • MC BRIDE, MALACHY R CO
    2004-07-23 → cancelled 2016-10-19
  • Swanson, Michael L MN
    2023-02-10 active