uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N2BY callsign genealogy

Currently held by KOCH, LEWIS W

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 N2BY's current licensee, walking backwards.

  1. AG4NJcancelled· E
    Takahashi, TetsuyaKYgranted 2001-10-10cancelled 2002-04-28
  2. KG4PPNcancelled· E
    Takahashi, TetsuyaKYgranted 2001-10-10cancelled 2002-01-11

Successor callsigns

Callsigns held now by people who previously held N2BY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N2BY, oldest first.

  • KOCH, LEWIS W NY
    1989-01-31 → cancelled 2001-02-01
  • Takahashi, Tetsuya KY
    2022-02-15 active
← Back to N2BY License history →