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

KR8MCS callsign genealogy

Currently held by Thompson, James 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 KR8MCS's current licensee, walking backwards.

  1. KI5VTNcancelled· G
    Thompson, James MTXgranted 2022-06-09cancelled 2023-03-14

Successor callsigns

Callsigns held now by people who previously held KR8MCS.

No current licensee on record previously held this callsign.