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

WS4Z callsign genealogy

Currently held by OSBORN, ANNA C

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 WS4Z's current licensee, walking backwards.

  1. K4HKEcancelled· E
    Englebert, KentNCgranted 2014-04-12cancelled 2021-04-02
  2. WB4YJPcancelled· A
    ENGLEBERT, HOWARD KNCgranted 2011-03-22cancelled 2014-04-12

Successor callsigns

Callsigns held now by people who previously held WS4Z.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WS4Z, oldest first.

  • OSBORN, ANNA C FL
    2011-03-23 → cancelled 2019-03-13
  • ENGLEBERT, Kent NC
    2021-04-02 active
← Back to WS4Z License history →