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

W9JOM callsign genealogy

Currently held by MUMFORD Jr, JAMES O

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 W9JOM's current licensee, walking backwards.

  1. K9UNXcancelled· T
    MUMFORD, JAMES OILgranted 2009-03-24cancelled 2009-04-17
  2. KB9SYKcancelled· T
    MUMFORD, JAMES OILgranted 2008-03-05cancelled 2009-03-24

Successor callsigns

Callsigns held now by people who previously held W9JOM.

No current licensee on record previously held this callsign.