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

KC9AAX callsign genealogy

Currently held by HOFFMANN, GEORGE 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 KC9AAX's current licensee, walking backwards.

  1. N4GFHcancelled· E
    HOFFMANN, GEORGE FTNgranted 2017-06-24cancelled 2026-07-28

Successor callsigns

Callsigns held now by people who previously held KC9AAX.

  1. N4GFHcancelled· E
    HOFFMANN, GEORGE FTNgranted 2017-06-24cancelled 2026-07-28

All historical holders

Every license row we've seen with the callsign KC9AAX, oldest first.

  • HOFFMANN, GEORGE F TN
    2011-05-03 → cancelled 2017-06-24
  • HOFFMANN, GEORGE F TN
    2026-07-28 active