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

KK4Z callsign genealogy

Currently held by TROUP, WILLIAM 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 KK4Z's current licensee, walking backwards.

  1. KM5AVcancelled· E
    Royle, Scott JGAgranted 1996-06-06cancelled 2003-10-07
  2. KC5RKSexpired· T
    SHINEFLEW, RICHARD KMSgranted 2012-09-11cancelled 2024-09-12
  3. KC5KEQcancelled· T
    SHINEFLEW, RICHARD KMSgranted 2004-11-19cancelled 2012-09-11

Successor callsigns

Callsigns held now by people who previously held KK4Z.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KK4Z, oldest first.

  • TROUP, WILLIAM A AL
    1993-12-28 → cancelled 2000-05-19
  • ROYLE, SCOTT J GA
    2023-07-15 active
← Back to KK4Z License history →