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

K7DMY callsign genealogy

Currently held by MC CLAIN, ONETA M

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 K7DMY's current licensee, walking backwards.

  1. KJ7ZYGcancelled· T
    Poulson, MichaelWAgranted 2021-07-26cancelled 2021-12-24

Successor callsigns

Callsigns held now by people who previously held K7DMY.

  1. WU7Iactive· E
    Monson, William HAZgranted 2021-12-03

All historical holders

Every license row we've seen with the callsign K7DMY, oldest first.

  • MC CLAIN, ONETA M ID
    2004-12-14 → cancelled 2017-03-11
  • Monson, William H AZ
    2021-07-09 → cancelled 2021-12-03
  • Poulson, Michael WA
    2021-12-24 active
← Back to K7DMY License history →