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

N9MBO callsign genealogy

Currently held by CACIOPPO, STEVEN J

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 N9MBO'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 N9MBO.

  1. K9MBOcancelled· T
    CACIOPPO, STEVEN JCAgranted 1999-01-07cancelled 2008-03-25