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

NC4DH callsign genealogy

Currently held by HIRASAWA, YASUTAKA

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 NC4DH's current licensee, walking backwards.

  1. N4PTQcancelled· E
    Harris, Donn RNCgranted 2001-06-28cancelled 2006-09-06
  2. WB2KPM
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held NC4DH.

  1. KV4Dcancelled· E
    HIRASAWA, YASUTAKANCgranted 1999-09-30cancelled 2007-06-19

All historical holders

Every license row we've seen with the callsign NC4DH, oldest first.

  • HIRASAWA, YASUTAKA NC
    1999-07-27 → cancelled 1999-09-30
  • Harris, Donn R NC
    2016-07-13 active
← Back to NC4DH License history →