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

W7TUS callsign genealogy

Currently held by Casey, Michael R

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 W7TUS's current licensee, walking backwards.

  1. KC9ORDcancelled· E
    Casey, Michael RAZgranted 2007-03-13cancelled 2014-08-02
  2. KC9KTZcancelled· T
    Casey, Michael RILgranted 2007-02-06cancelled 2007-03-13

Successor callsigns

Callsigns held now by people who previously held W7TUS.

No current licensee on record previously held this callsign.