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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KU4BU callsign genealogy

Currently held by SANCHEZ, LUIS 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 KU4BU's current licensee, walking backwards.

  1. KA2DTG
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KU4BU.

  1. WB4JLactive· A
    SANCHEZ, LUIS MFLgranted 2020-05-15
← Back to KU4BU License history →