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

N1FTZ callsign genealogy

Currently held by Richardson, Stewart 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 N1FTZ's current licensee, walking backwards.

  1. N1ZSLactive· G
    fitzgerald, kenneth jTNgranted 2026-08-11
  2. N1GLAcancelled· G
    fitzgerald, kenneth jTNgranted 2024-02-03cancelled 2026-08-11

Successor callsigns

Callsigns held now by people who previously held N1FTZ.

  1. N1GLAcancelled· G
    fitzgerald, kenneth jTNgranted 2024-02-03cancelled 2026-08-11
  2. AA1ZPactive· E
    Richardson, Stewart LNHgranted 2017-12-20

All historical holders

Every license row we've seen with the callsign N1FTZ, oldest first.

  • Richardson, Stewart L NH
    1998-03-10 → cancelled 2002-02-26
  • FITZGERALD, KENNETH J TN
    2019-03-19 → cancelled 2024-02-03