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

WO9P callsign genealogy

Currently held by BANASZAK, RONALD S

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 WO9P's current licensee, walking backwards.

  1. W9LOPcancelled· E
    Ortiz, Luis AWIgranted 2009-08-25cancelled 2012-06-01
  2. KC9OGUcancelled· G
    Ortiz, Luis AWIgranted 2008-09-11cancelled 2009-08-25

Successor callsigns

Callsigns held now by people who previously held WO9P.

  1. W9FBcancelled· E
    BANASZAK, RONALD SINgranted 2009-05-06cancelled 2018-05-17

All historical holders

Every license row we've seen with the callsign WO9P, oldest first.

  • Ortiz, Luis A WI
    2022-04-26 active
  • BANASZAK, RONALD S
    — → cancelled 1999-05-12
← Back to WO9P License history →