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

W7JSX callsign genealogy

Currently held by FISCHER, JOHN 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 W7JSX's current licensee, walking backwards.

  1. N4NNVcancelled· T
    SMITH, JEFFREY AUTgranted 2012-07-19cancelled 2021-12-28
  2. KD4NKAcancelled· T
    SMITH, JEFFREY AGAgranted 2002-02-01cancelled 2002-10-16

Successor callsigns

Callsigns held now by people who previously held W7JSX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7JSX, oldest first.

  • FISCHER, JOHN M WA
    1988-02-02 → cancelled 2000-02-03
  • SMITH, JEFFREY A UT
    2021-12-28 active
← Back to W7JSX License history →