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

W5ZZ callsign genealogy

Currently held by SEMEYKIN, SERGEY A

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 W5ZZ's current licensee, walking backwards.

  1. AA8OOcancelled· E
    SEMEYKIN, SERGEY ALAgranted 2004-01-16cancelled 2007-07-10
  2. AC5MLcancelled· E
    SEMEYKIN, SERGEY ALAgranted 1997-05-14cancelled 2004-01-16
  3. KC5YWG
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W5ZZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W5ZZ, oldest first.

  • YOUNG, JAMES F TX
    1996-06-14 → cancelled 2005-06-21
  • SEMEYKIN, SERGEY A LA
    2017-07-13 active
← Back to W5ZZ License history →