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

N4CSU callsign genealogy

Currently held by Walters, Jeffrey 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 N4CSU's current licensee, walking backwards.

  1. KG4YCHcancelled· T
    Walters, Jeffrey SGAgranted 2003-01-13cancelled 2003-02-19
  2. KG4WUUcancelled· T
    Walters, Jeffrey SGAgranted 2003-01-13cancelled 2003-01-31

Successor callsigns

Callsigns held now by people who previously held N4CSU.

  1. KB0NBTexpired· G
    MOFSEN, RICKY SMOgranted 1994-06-17cancelled 2006-06-20
← Back to N4CSU License history →