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

WO3S callsign genealogy

Currently held by Sone, Yoshiaki

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 WO3S's current licensee, walking backwards.

  1. AB3SAcancelled· E
    PETRY, ERIC APAgranted 2013-01-08cancelled 2013-05-07
  2. KE3HNcancelled· E
    PETRY, ERIC APAgranted 2013-01-08cancelled 2013-04-18
  3. N3IFB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held WO3S.

  1. W3JHactive· E
    Sone, YoshiakiMDgranted 2020-12-15
  2. K3TZactive· E
    ZIBRAT, TIMOTHY SFLgranted 2017-01-12

All historical holders

Every license row we've seen with the callsign WO3S, oldest first.

  • Sone, Yoshiaki MD
    2010-09-03 → cancelled 2011-03-12
  • PETRY, ERIC A PA
    2023-03-28 active
← Back to WO3S License history →