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

K3ES callsign genealogy

Currently held by Hagihara, Yoshiaki

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 K3ES's current licensee, walking backwards.

  1. KC3PXUcancelled· E
    Manley, Brian DPAgranted 2020-08-31cancelled 2020-12-15

Successor callsigns

Callsigns held now by people who previously held K3ES.

  1. N3UUactive· E
    Garfinkel, Mark WDEgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign K3ES, oldest first.

  • KRAMER, JOSEPH D PA
    1994-05-31 → cancelled 2006-06-01
  • Hagihara, Yoshiaki CA
    2006-08-25 → cancelled 2018-08-28
  • Garfinkel, Mark W DE
    2018-09-14 → cancelled 2018-11-24
  • Manley, Brian D PA
    2020-12-15 active
← Back to K3ES License history →