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

KC5MK callsign genealogy

Currently held by WALKER, ROBERT C

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 KC5MK's current licensee, walking backwards.

  1. KE5PIFcancelled· E
    WALKER, ROBERT CTXgranted 2007-07-03cancelled 2008-08-08

Successor callsigns

Callsigns held now by people who previously held KC5MK.

  1. W5TBUexpired· A
    STINSON, WILLIE JTXgranted 1996-06-18cancelled 2008-06-19