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

NA7I callsign genealogy

Currently held by CHAFFER, JOHN 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 NA7I's current licensee, walking backwards.

  1. K7JRCactive· G
    Culley, Jacob RORgranted 2022-06-17
  2. KF7VJVcancelled· T
    Culley, Jacob RORgranted 2012-04-25cancelled 2012-07-03

Successor callsigns

Callsigns held now by people who previously held NA7I.

  1. K7JRCcancelled· E
    CHAFFER, JOHN RMTgranted 2009-04-07cancelled 2009-05-15

All historical holders

Every license row we've seen with the callsign NA7I, oldest first.

  • CHAFFER, JOHN R MT
    2006-02-02 → cancelled 2009-04-07
  • CHAFFER, JOHN R MT
    2019-04-04 active