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

NU2K callsign genealogy

Currently held by OOSTERVEER, ENGELBERTUS

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 NU2K's current licensee, walking backwards.

  1. K2ADVactive· E
    Mcclendon, Richard LWAgranted 2023-01-10
  2. WA7ADVcancelled· G
    Mcclendon, Richard LWAgranted 2018-08-11cancelled 2023-01-10
  3. KI7JSFcancelled· G
    Mcclendon, Richard LWAgranted 2017-01-23cancelled 2018-08-11

Successor callsigns

Callsigns held now by people who previously held NU2K.

  1. K2IOactive· E
    Yamamoto, TakeshiNYgranted 2021-05-15

All historical holders

Every license row we've seen with the callsign NU2K, oldest first.

  • OOSTERVEER, ENGELBERTUS CT
    1996-04-23 → cancelled 2008-04-24
  • Yamamoto, Takeshi NY
    2010-01-12 → cancelled 2011-08-12
  • Daniele, John NY
    2023-12-01 active
← Back to NU2K License history →