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

KS4ALT callsign genealogy

Currently held by Robertson, Matthew G

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 KS4ALT's current licensee, walking backwards.

  1. W8MGRcancelled· G
    Robertson, Matthew GOHgranted 2021-09-04cancelled 2022-04-05
  2. W7MGRcancelled· G
    Robertson, Matthew GNCgranted 2022-12-09cancelled 2024-06-21

Successor callsigns

Callsigns held now by people who previously held KS4ALT.

  1. W7MGRcancelled· G
    Robertson, Matthew GNCgranted 2022-12-09cancelled 2024-06-21
← Back to KS4ALT License history →