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

K2AJ callsign genealogy

Currently held by Takagawa, Sadayoshi

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 K2AJ's current licensee, walking backwards.

  1. N2NNDcancelled· E
    Takagawa, SadayoshiNYgranted 2005-08-10cancelled 2005-09-09
  2. KC2OLIcancelled· G
    TAKAGAWA, SADAYOSHINYgranted 2005-07-15cancelled 2005-08-10

Successor callsigns

Callsigns held now by people who previously held K2AJ.

  1. NQ2Factive· E
    MILLER, SCOTT ANYgranted 2023-06-06

All historical holders

Every license row we've seen with the callsign K2AJ, oldest first.

  • MILLER, SCOTT A NY
    1998-02-06 → cancelled 2003-08-19
  • Takagawa, Sadayoshi TN
    2025-08-29 active
← Back to K2AJ License history →