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

N9OIU callsign genealogy

Currently held by GREEN, DAVID A

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 N9OIU's current licensee, walking backwards.

  1. KF8IUcancelled· E
    Parker, Anthony JINgranted 2016-04-26cancelled 2018-06-01
  2. KB9WRAcancelled· E
    Parker, Anthony JMIgranted 2010-05-04cancelled 2016-04-26

Successor callsigns

Callsigns held now by people who previously held N9OIU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9OIU, oldest first.

  • GREEN, DAVID A IL
    2002-03-02 → cancelled 2014-02-26
  • Parker, Anthony J IN
    2018-06-01 active
← Back to N9OIU License history →