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

N9XO callsign genealogy

Currently held by MYATT JR, JAMES 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 N9XO's current licensee, walking backwards.

  1. KC9PYVcancelled· E
    MYATT JR, JAMES JILgranted 2009-06-09cancelled 2019-03-05

Successor callsigns

Callsigns held now by people who previously held N9XO.

  1. KD4Sactive· E
    MC CLAIN, RICHARD LSCgranted 2017-02-14

All historical holders

Every license row we've seen with the callsign N9XO, oldest first.

  • MC CLAIN, RICHARD L SC
    2007-05-25 → cancelled 2017-02-14
  • MYATT JR, JAMES J IL
    2019-03-05 active