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

KN4U callsign genealogy

Currently held by HUGHES, PHILLIP T

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 KN4U's current licensee, walking backwards.

  1. KS4SPcancelled· E
    MAY SR, RONALD EVAgranted 1995-03-23cancelled 2001-03-16
  2. KD4ZOQ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KN4U.

  1. W4CSAactive· E
    HUGHES, PHILLIP TVAgranted 2018-11-29

All historical holders

Every license row we've seen with the callsign KN4U, oldest first.

  • MAY SR, RONALD E VA
    2020-12-31 active
  • HUGHES, PHILLIP T
    — → cancelled 1999-02-23
← Back to KN4U License history →