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

WO0R callsign genealogy

Currently held by POPPKE, THEODORE T

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 WO0R's current licensee, walking backwards.

  1. AB1CMcancelled· E
    POPPKE, THEODORE TNDgranted 2003-04-29cancelled 2013-04-09
  2. KC4WMUcancelled· E
    POPPKE, THEODORE TMAgranted 2003-04-29cancelled 2003-04-30

Successor callsigns

Callsigns held now by people who previously held WO0R.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WO0R, oldest first.

  • LEACH JR, CHARLES R CO
    1998-07-24 → cancelled 2004-06-09
  • POPPKE, THEODORE T ND
    2023-03-23 active
← Back to WO0R License history →