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

KC4MUS callsign genealogy

Currently held by CRAWFORD, GREGORY A

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 KC4MUS's current licensee, walking backwards.

  1. KN4LNFcancelled· T
    Musser, Harry JVAgranted 2018-04-16cancelled 2018-05-22

Successor callsigns

Callsigns held now by people who previously held KC4MUS.

  1. WK4ZXcancelled· E
    CRAWFORD, GREGORY AFLgranted 2011-07-12cancelled 2018-11-16

All historical holders

Every license row we've seen with the callsign KC4MUS, oldest first.

  • CRAWFORD, GREGORY A FL
    2009-10-27 → cancelled 2011-07-12
  • Musser, Harry J VA
    2018-05-22 active
← Back to KC4MUS License history →