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

N7UF callsign genealogy

Currently held by TIFFT, CHARLES F

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 N7UF's current licensee, walking backwards.

  1. K7DSGcancelled· E
    Barwig, Nicholas AORgranted 2016-08-23cancelled 2022-04-19
  2. KI7DSGcancelled· G
    Barwig, NicholasORgranted 2016-04-22cancelled 2016-08-23

Successor callsigns

Callsigns held now by people who previously held N7UF.

  1. W6RDcancelled· E
    TIFFT, CHARLES FWAgranted 2020-03-31cancelled 2022-04-12

All historical holders

Every license row we've seen with the callsign N7UF, oldest first.

  • MILLER, KENNETH R OR
    1997-03-27 → cancelled 2006-01-21
  • Winter, Frank T AZ
    2008-02-20 → cancelled 2020-02-21
  • TIFFT, CHARLES F WA
    2020-03-10 → cancelled 2020-03-31
  • Barwig, Nicholas A OR
    2022-04-19 active
← Back to N7UF License history →