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

K7MRT callsign genealogy

Currently held by Thompson, Marc 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 K7MRT's current licensee, walking backwards.

  1. KF7YTEcancelled· T
    Thompson, Marc RORgranted 2012-09-27cancelled 2013-06-11

Successor callsigns

Callsigns held now by people who previously held K7MRT.

No current licensee on record previously held this callsign.