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

WB4RC callsign genealogy

Currently held by Crisp, Rudolf W

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 WB4RC's current licensee, walking backwards.

  1. W3RWCcancelled· E
    Crisp, Rudolf WVAgranted 2009-12-01cancelled 2015-12-15
  2. KJ4MTMcancelled· G
    CRISP, RUDOLF WVAgranted 2009-06-15cancelled 2009-12-01

Successor callsigns

Callsigns held now by people who previously held WB4RC.

No current licensee on record previously held this callsign.

← Back to WB4RC License history →