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

K7TAA callsign genealogy

Currently held by PRESTON, CHARLES M

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 K7TAA's current licensee, walking backwards.

  1. KD7OAcancelled· E
    PRESTON, CHARLES MIDgranted 2015-09-29cancelled 2015-12-15
  2. KL7OAcancelled· E
    PRESTON, CHARLES MIDgranted 2007-09-05cancelled 2015-09-29

Successor callsigns

Callsigns held now by people who previously held K7TAA.

No current licensee on record previously held this callsign.