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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4YMS callsign genealogy

Currently held by LAMBERT, JOHN H

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 N4YMS's current licensee, walking backwards.

  1. KB4FBIcancelled· E
    LAMBERT, JOHN HSCgranted 2014-02-19cancelled 2022-10-04
  2. AC4VZcancelled· E
    LAMBERT, JOHN HSCgranted 2014-01-29cancelled 2014-02-19

Successor callsigns

Callsigns held now by people who previously held N4YMS.

  1. AC4VZcancelled· E
    LAMBERT, JOHN HSCgranted 2014-01-29cancelled 2014-02-19
← Back to N4YMS License history →