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

W4CVI callsign genealogy

Currently held by MASON, JAMES A

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 W4CVI's current licensee, walking backwards.

  1. N5CMLactive· G
    Martinez, Carlos ATXgranted 2021-08-04
  2. KE5YYYcancelled· G
    Martinez, Carlos ATXgranted 2009-02-02cancelled 2011-10-01

Successor callsigns

Callsigns held now by people who previously held W4CVI.

No current licensee on record previously held this callsign.

← Back to W4CVI License history →