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

AC0UR callsign genealogy

Currently held by Chambers, Matthew 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 AC0UR's current licensee, walking backwards.

  1. W1JEQcancelled· E
    Chambers, Matthew AMOgranted 2006-01-10cancelled 2011-02-03
  2. KC0QEVcancelled· T
    Chambers, Matthew AMOgranted 2003-06-11cancelled 2006-01-10

Successor callsigns

Callsigns held now by people who previously held AC0UR.

  1. NR0Qcancelled· E
    Chambers, Matthew AAZgranted 2011-11-18cancelled 2013-04-30
← Back to AC0UR License history →