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

N5MU callsign genealogy

Currently held by RICHARDSON, JAMES 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 N5MU's current licensee, walking backwards.

  1. WB5CLWcancelled· E
    RICHARDSON, JAMES Mcancelled 1998-11-24

Successor callsigns

Callsigns held now by people who previously held N5MU.

No current licensee on record previously held this callsign.