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

N4UFU callsign genealogy

Currently held by SMITH, GREGORY L

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 N4UFU's current licensee, walking backwards.

  1. KC4KPTactive· G
    SMITH, GREGORY LTNgranted 2020-07-17

Successor callsigns

Callsigns held now by people who previously held N4UFU.

  1. KC4KPTactive· G
    SMITH, GREGORY LTNgranted 2020-07-17
  2. KC4KPTcancelled· G
    SMITH, GREGORY LTNgranted 2009-01-10cancelled 2016-02-02

All historical holders

Every license row we've seen with the callsign N4UFU, oldest first.

  • SMITH, GREGORY L TN
    2007-04-24 → cancelled 2009-01-10
  • SMITH, GREGORY L TN
    2016-02-02 → cancelled 2020-07-17
← Back to N4UFU License history →