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Confidence: Medium · Source: FCC ULS · As of 2026-09-10

WD6BTO callsign genealogy

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 WD6BTO'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 WD6BTO.

  1. KF6NFVcancelled· G
    MOORE, JAMES SNVgranted 2017-05-17cancelled 2019-10-08