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

N4XU callsign genealogy

Currently held by LAYMAN, NEAL S

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 N4XU's current licensee, walking backwards.

  1. K4XAAactive· T
    Ferster, Jason BSCgranted 2024-11-05
  2. KO4GSWcancelled· T
    Ferster, Jason BSCgranted 2020-08-28cancelled 2024-11-05

Successor callsigns

Callsigns held now by people who previously held N4XU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4XU, oldest first.

  • LAYMAN, NEAL S PA
    2006-09-16 → cancelled 2018-11-06
  • WILSON, ROBERT W DE
    2018-11-24 active