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

N1NI callsign genealogy

Currently held by OZONOFF, DAVID 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 N1NI's current licensee, walking backwards.

  1. KC1BTJcancelled· E
    OZONOFF, DAVID MMAgranted 2014-04-29cancelled 2014-08-23

Successor callsigns

Callsigns held now by people who previously held N1NI.

  1. NS7Ncancelled· E
    NIEMEYER JR, EDWARD WAZgranted 2012-08-04cancelled 2012-10-05

All historical holders

Every license row we've seen with the callsign N1NI, oldest first.

  • GRAY, CHARLES H NH
    2000-05-30 → cancelled 2012-05-31
  • NIEMEYER JR, EDWARD W AZ
    2012-06-19 → cancelled 2012-08-04
  • OZONOFF, DAVID M MA
    2025-07-22 active