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

KZ1GUS callsign genealogy

Currently held by Gustafson, Robert W

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 KZ1GUS's current licensee, walking backwards.

  1. KE8MRVcancelled· T
    Gustafson, Robert WMIgranted 2019-08-02cancelled 2020-06-16

Successor callsigns

Callsigns held now by people who previously held KZ1GUS.

No current licensee on record previously held this callsign.