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

W6SZP callsign genealogy

Currently held by MASON, 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 W6SZP's current licensee, walking backwards.

  1. W7PRCactive
    Prescott Radio ClubAZgranted 2026-07-31
  2. KK7ZQFcancelled
    Prescott Radio ClubAZgranted 2025-03-13cancelled 2026-07-31

Successor callsigns

Callsigns held now by people who previously held W6SZP.

  1. W7PRCcancelled· E
    MASON, MICHAEL LCAgranted 2021-10-30cancelled 2023-09-29

All historical holders

Every license row we've seen with the callsign W6SZP, oldest first.

  • CONRAGAN, JAMES CA
    1989-05-16 → cancelled 2001-05-17
  • MASON, MICHAEL L AZ
    2017-05-01 → cancelled 2021-10-30
  • MASON, MICHAEL L CA
    2023-09-29 active