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

WB4IUN callsign genealogy

Currently held by BUSCHER, JAMES R

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 WB4IUN's current licensee, walking backwards.

  1. W4CNOcancelled· A
    BUSCHER, JAMES RVAgranted 2010-04-13cancelled 2015-12-26

Successor callsigns

Callsigns held now by people who previously held WB4IUN.

  1. W4CNOcancelled· A
    BUSCHER, JAMES RVAgranted 2010-04-13cancelled 2015-12-26
  2. K8JRBcancelled· A
    BUSCHER, JAMES RVAgranted 2002-05-07cancelled 2004-06-02

All historical holders

Every license row we've seen with the callsign WB4IUN, oldest first.

  • BUSCHER, JAMES R VA
    1996-07-29 → cancelled 2002-05-07
  • BUSCHER, JAMES R VA
    2004-06-02 → cancelled 2010-04-13
  • BUSCHER, JAMES R VA
    2015-12-26 active
← Back to WB4IUN License history →