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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

WA4JS callsign genealogy

Currently held by Spehar, John S

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 WA4JS's current licensee, walking backwards.

  1. KQ4KMcancelled· A
    SALLER, JOSEPH CTNgranted 2012-10-02cancelled 2015-02-10
  2. WD8KOO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held WA4JS.

  1. K4XWactive· E
    Spehar, John STNgranted 2020-10-06
  2. W4AGLexpired· E
    STEWART, JAMES PFLgranted 2013-04-16cancelled 2025-06-24

All historical holders

Every license row we've seen with the callsign WA4JS, oldest first.

  • STEWART, JAMES P FL
    2003-02-25 → cancelled 2003-06-21
  • Spehar, John S TN
    2007-08-24 → cancelled 2010-12-14
  • SALLER, JOSEPH C FL
    2025-04-11 active