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

N4AYO callsign genealogy

Currently held by JACKSON, WILLIAM M

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 N4AYO's current licensee, walking backwards.

  1. W4WMJactive· T
    JAMES JR, WILLIAM MVAgranted 2026-02-19
  2. KM4RICcancelled· T
    James Jr, William MVAgranted 2016-02-19cancelled 2016-03-11

Successor callsigns

Callsigns held now by people who previously held N4AYO.

  1. N4YScancelled· E
    JACKSON, WILLIAM MNCgranted 1996-12-18cancelled 2002-12-03
← Back to N4AYO License history →