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

KK4YOF callsign genealogy

Currently held by Treasure Coast Digital Group

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 KK4YOF's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KK4YOF.

  1. KB4DDactive
    Treasure Coast Digital GroupFLgranted 2024-04-16