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

W8SA callsign genealogy

Currently held by SCHMIDT, JON 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 W8SA's current licensee, walking backwards.

  1. WD8JSAcancelled· E
    SCHMIDT, JONATHON MCAgranted 1995-03-14cancelled 2001-07-20

Successor callsigns

Callsigns held now by people who previously held W8SA.

  1. W8DDcancelled· E
    DUMAN, DONALD JOHgranted 2019-04-15cancelled 2021-01-13

All historical holders

Every license row we've seen with the callsign W8SA, oldest first.

  • SCHMIDT, JON M CA
    2021-04-27 active
  • —
    — → cancelled 1999-06-30
← Back to W8SA License history →