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

N4RBB callsign genealogy

Currently held by Montelongo, Michael

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 N4RBB's current licensee, walking backwards.

  1. K4MTYcancelled· T
    Montelongo, MichaelFLgranted 2021-04-06cancelled 2021-06-29
  2. KO4OIYcancelled· T
    Montelongo, MichaelFLgranted 2021-03-18cancelled 2021-04-06

Successor callsigns

Callsigns held now by people who previously held N4RBB.

  1. AC4SCexpired· E
    LANE JR, R FRANKTNgranted 2012-05-18cancelled 2024-07-02
← Back to N4RBB License history →