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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WB4YQS callsign genealogy

Currently held by SWARTZ, WILLIAM V

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 WB4YQS's current licensee, walking backwards.

  1. KH6POIactive· T
    Lee, TravisHIgranted 2026-03-17
  2. KK6VYFcancelled· T
    Lee, TravisHIgranted 2026-02-27cancelled 2026-03-17

Successor callsigns

Callsigns held now by people who previously held WB4YQS.

  1. KH6POIcancelled· G
    SWARTZ, WILLIAM VFLgranted 2017-01-04cancelled 2017-06-06
  2. W4YQScancelled· G
    SWARTZ, WILLIAM VHIgranted 2005-03-12cancelled 2006-04-04

All historical holders

Every license row we've seen with the callsign WB4YQS, oldest first.

  • SWARTZ, WILLIAM V FL
    2000-07-11 → cancelled 2005-03-12
  • SWARTZ, WILLIAM V FL
    2016-03-01 → cancelled 2017-01-04
  • SWARTZ, WILLIAM V FL
    2017-06-06 active
← Back to WB4YQS License history →