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

KK4JO callsign genealogy

Currently held by WHITTLE, KERRY B

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 KK4JO's current licensee, walking backwards.

  1. KK7JOcancelled· E
    WHITTLE, KERRY BALgranted 2011-09-20cancelled 2021-06-07
  2. KU4DFcancelled· A
    WHITTLE, KERRY Bcancelled 1997-08-28

Successor callsigns

Callsigns held now by people who previously held KK4JO.

No current licensee on record previously held this callsign.

← Back to KK4JO License history →