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

N4NI callsign genealogy

Currently held by Marlowe, Jeremy N

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 N4NI's current licensee, walking backwards.

  1. AI4FScancelled· E
    Marlowe, Jeremy NVAgranted 2002-03-06cancelled 2006-11-21
  2. N4CPTactive· E
    DINGFELDER JR, ROBERTFLgranted 2020-04-06
  3. KJ4RQKcancelled· E
    DINGFELDER JR, ROBERTFLgranted 2010-01-15cancelled 2010-04-09

Successor callsigns

Callsigns held now by people who previously held N4NI.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4NI, oldest first.

  • BREWER, DONALD B KY
    1997-02-20 → cancelled 2002-10-05
  • Marlowe, Jeremy N VA
    2016-10-12 active
← Back to N4NI License history →