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

N4SDT callsign genealogy

Currently held by GANN, JAMES A

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 N4SDT's current licensee, walking backwards.

  1. KU4LTcancelled· E
    GANN, JAMES ATNgranted 1997-10-29cancelled 2004-08-03
  2. KE4QHKcancelled· P
    GANN, JAMES Acancelled 1997-10-29

Successor callsigns

Callsigns held now by people who previously held N4SDT.

  1. KD3RHcancelled· A
    FRIEND, DONALD FMDgranted 2001-02-07cancelled 2009-10-31
← Back to N4SDT License history →