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

AI7SA callsign genealogy

Currently held by MARTIN, 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 AI7SA's current licensee, walking backwards.

  1. WA9RMVcancelled· E
    MARTIN, MICHAEL RWAgranted 2022-03-18cancelled 2023-06-07
  2. WD6GEMcancelled· G
    MARTIN, MICHAEL RWAgranted 2019-05-30cancelled 2022-03-18

Successor callsigns

Callsigns held now by people who previously held AI7SA.

  1. KB7AMactive· E
    MARTIN, MICHAEL RWAgranted 2023-06-27
← Back to AI7SA License history →