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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KI4OZT callsign genealogy

Currently held by Tennessee Ballon 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 KI4OZT'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 KI4OZT.

  1. NT4BGactive
    Tennessee Balloon GroupTNgranted 2026-06-11