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Confidence: Medium · Source: FCC ULS · As of 2026-09-15

KB3SFI callsign genealogy

Currently held by Storehouse Radio Club

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 KB3SFI's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KB3SFI.

  1. KO3Wactive
    Storehouse Radio ClubMDgranted 2019-02-05