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

WB4BT 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 WB4BT's current licensee, walking backwards.

  1. WB4CWactive· E
    Aaron, Harold SNCgranted 2021-02-09
  2. WB7CWactive· E
    EASON, JAMES RWYgranted 2024-04-23
  3. AD6IJcancelled· E
    EASON, JAMES RWYgranted 2014-07-23cancelled 2024-04-23
  4. KE6LTTcancelled· A
    EASON, JAMES Rcancelled 1999-04-05

Successor callsigns

Callsigns held now by people who previously held WB4BT.

  1. WB4CWcancelled· E
    WALKER, PHILLIP MFLgranted 2012-12-29cancelled 2013-08-30
← Back to WB4BT License history →