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

WZ9O callsign genealogy

Currently held by SELANDER, RICHARD B

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 WZ9O's current licensee, walking backwards.

  1. N2ASDcancelled· E
    Durgan, Claire AWIgranted 2012-09-22cancelled 2020-03-20
  2. KC2YDYcancelled· G
    DURGAN, CHRISTOPHER SNYgranted 2010-04-07cancelled 2012-09-22

Successor callsigns

Callsigns held now by people who previously held WZ9O.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WZ9O, oldest first.

  • SELANDER, RICHARD B IL
    1991-03-26 → cancelled 2003-03-27
  • TOMLIANOVICH, JACK R IL
    2008-02-26 → cancelled 2020-02-27
  • Durgan, Claire A MN
    2020-03-20 active
← Back to WZ9O License history →