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

N6LOS callsign genealogy

Currently held by MATSUO, BRIAN

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 N6LOS's current licensee, walking backwards.

  1. N6BDGcancelled· G
    MATSUO, BRIANCAgranted 2012-05-24cancelled 2018-01-03
  2. KC2CKLcancelled· G
    Grady, Brian DCAgranted 1999-03-24cancelled 2002-07-16

Successor callsigns

Callsigns held now by people who previously held N6LOS.

No current licensee on record previously held this callsign.