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

W4WSW callsign genealogy

Currently held by WINKLER, WINFRED 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 W4WSW's current licensee, walking backwards.

  1. WP4SWactive· G
    WEIR, STEVENPRgranted 2019-03-15
  2. WP4OXPcancelled· G
    WEIR, STEVENPRgranted 2014-02-24cancelled 2019-03-15

Successor callsigns

Callsigns held now by people who previously held W4WSW.

  1. K4AIXexpired· E
    WINKLER, WINFRED SGAgranted 2002-06-07cancelled 2014-06-10

All historical holders

Every license row we've seen with the callsign W4WSW, oldest first.

  • WINKLER, WINFRED S GA
    2002-05-17 → cancelled 2002-06-07
  • VELLON, LUIS A FL
    2016-11-15 active
← Back to W4WSW License history →