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

KI4BQZ callsign genealogy

Currently held by IRIZARRY, JOSE 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 KI4BQZ's current licensee, walking backwards.

  1. N8YRKactive· G
    Biser, Nathaniel EPAgranted 2017-07-01
  2. KC3HOZcancelled· T
    Biser, Nathaniel EPAgranted 2016-08-17cancelled 2017-07-01

Successor callsigns

Callsigns held now by people who previously held KI4BQZ.

  1. K4JMIactive· E
    IRIZARRY, JOSE MFLgranted 2023-02-01
← Back to KI4BQZ License history →