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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W3IV callsign genealogy

Currently held by Oelke, Paul O

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 W3IV's current licensee, walking backwards.

  1. W6EPAcancelled· E
    Cleveland Jr, Ralph JCAgranted 2009-12-15cancelled 2019-03-26
  2. KF3Qactive· E
    Salzer, David ASDgranted 2023-01-25
  3. K3DAScancelled· E
    Salzer, David AMNgranted 2011-07-06cancelled 2013-03-26
  4. KD0OXFcancelled· G
    Salzer, David AMNgranted 2011-06-15cancelled 2011-07-06

Successor callsigns

Callsigns held now by people who previously held W3IV.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3IV, oldest first.

  • Oelke, Paul O MD
    2006-10-26 → cancelled 2019-02-12
  • Cleveland Jr, Ralph J CA
    2019-03-26 active
← Back to W3IV License history →