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

N1YKH callsign genealogy

Currently held by GRIMALDI SR, MICHAEL J

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 N1YKH's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held N1YKH.

  1. NY1Uactive· E
    GRIMALDI SR, MICHAEL JCTgranted 2023-09-19