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

N4UDE callsign genealogy

Currently held by Perschau Jr, Robert C

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 N4UDE's current licensee, walking backwards.

  1. KA9ARTcancelled· G
    Perschau Jr, Robert CNCgranted 2021-06-23cancelled 2026-08-18
  2. KB9WOXcancelled· G
    Perschau Jr, Robert CILgranted 2000-06-23cancelled 2000-07-14

Successor callsigns

Callsigns held now by people who previously held N4UDE.

  1. K7WLWcancelled· T
    WEST, KENNETH WFLgranted 2024-07-30cancelled 2024-11-15
  2. K7UATactive· G
    Shaw, William ANVgranted 2019-05-25

All historical holders

Every license row we've seen with the callsign N4UDE, oldest first.

  • Shaw, William A NV
    2010-08-07 → cancelled 2019-05-25
  • WEST, KENNETH W FL
    2024-07-09 → cancelled 2024-07-30
  • Perschau Jr, Robert C NC
    2026-08-18 active
← Back to N4UDE License history →