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

WB0CW callsign genealogy

Currently held by WALKER, PHILLIP M

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 WB0CW's current licensee, walking backwards.

  1. KI0APcancelled· E
    BLACK, ROBERT FMOgranted 2016-05-03cancelled 2016-05-24
  2. AB0BIcancelled· E
    BLACK, ROBERT FMOgranted 2016-02-27cancelled 2016-05-03

Successor callsigns

Callsigns held now by people who previously held WB0CW.

  1. N0ZLcancelled· E
    WALKER, PHILLIP MFLgranted 2007-07-17cancelled 2008-08-29

All historical holders

Every license row we've seen with the callsign WB0CW, oldest first.

  • WALKER, PHILLIP M ND
    2005-08-30 → cancelled 2007-07-17
  • BLACK, ROBERT f MO
    2016-05-24 active