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

KD8MTO callsign genealogy

Currently held by Hadfield, James T

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 KD8MTO'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 KD8MTO.

  1. K7CHLcancelled· E
    HADFIELD, JAMES TMIgranted 2011-01-04cancelled 2012-12-22