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

N4MAO callsign genealogy

Currently held by JAMES, WALTER E

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 N4MAO's current licensee, walking backwards.

  1. KD4RWTcancelled· G
    Odom, Mark ATNgranted 2007-11-10cancelled 2008-01-04
  2. KI4ZDXcancelled· T
    Odom, Mark ATNgranted 2007-08-31cancelled 2007-11-10

Successor callsigns

Callsigns held now by people who previously held N4MAO.

  1. KU9Bactive· E
    Odom, Mark ATNgranted 2019-12-31

All historical holders

Every license row we've seen with the callsign N4MAO, oldest first.

  • JAMES, WALTER E FL
    1987-11-10 → cancelled 1999-11-11
  • Odom, Mark A TN
    2008-01-04 → cancelled 2010-03-26