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

NF7I callsign genealogy

Currently held by WARREN, JAMES R

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 NF7I's current licensee, walking backwards.

  1. AD7STactive· E
    PALMER, DANIEL AUTgranted 2023-03-21
  2. KT7DATcancelled· E
    PALMER, DANIEL AUTgranted 2011-12-20cancelled 2013-05-29
  3. KF7SXUcancelled· G
    PALMER, DANIEL AUTgranted 2011-12-01cancelled 2011-12-20

Successor callsigns

Callsigns held now by people who previously held NF7I.

  1. WA7AZactive· E
    SAKIESTEWA GILBERT, MATTHEWAZgranted 2018-06-19
  2. N7YScancelled· E
    WARREN, JAMES RORgranted 1999-05-05cancelled 2003-02-11

All historical holders

Every license row we've seen with the callsign NF7I, oldest first.

  • SAKIESTEWA GILBERT, MATTHEW T CA
    2003-09-26 → cancelled 2008-06-20
  • SPURRELL, JOSH J WA
    2020-06-09 active
  • WARREN, JAMES R
    — → cancelled 1999-05-05
← Back to NF7I License history →