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

K7OLC callsign genealogy

Currently held by COOK, ORSON L

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 K7OLC's current licensee, walking backwards.

  1. KD7PZJcancelled· T
    COOK, ORSON LUTgranted 2002-02-13cancelled 2005-01-25

Successor callsigns

Callsigns held now by people who previously held K7OLC.

No current licensee on record previously held this callsign.