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

NA6US callsign genealogy

Currently held by Sinclair, Dwayne J

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 NA6US's current licensee, walking backwards.

  1. KN6AFPcancelled· E
    Sinclair, Dwayne JCAgranted 2019-03-07cancelled 2019-05-21

Successor callsigns

Callsigns held now by people who previously held NA6US.

  1. AB6Aactive· E
    Sinclair, Dwayne JCAgranted 2020-08-18
  2. W6IXcancelled· E
    JOHNSON JR, FRANK HCAgranted 2008-07-15cancelled 2012-06-09

All historical holders

Every license row we've seen with the callsign NA6US, oldest first.

  • JOHNSON JR, FRANK H CA
    2007-11-03 → cancelled 2008-07-15
  • Sinclair, Dwayne J CA
    2019-05-21 → cancelled 2020-08-18