uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AA6MJ callsign genealogy

Currently held by JOHNSON, MATTHEW C

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 AA6MJ's current licensee, walking backwards.

  1. N6OGMactive· E
    JOHNSON, MATTHEW CCAgranted 2023-07-21
  2. N6XSactive
    NEWCASTLE ARCCAgranted 2025-08-09
  3. KO6JZGcancelled
    NEWCASTLE ARCCAgranted 2025-07-05cancelled 2025-08-09

Successor callsigns

Callsigns held now by people who previously held AA6MJ.

  1. N6XScancelled· E
    JOHNSON, MATTHEW CCAgranted 2021-04-16cancelled 2023-07-21
  2. N6AMcancelled· E
    SCHEFSKI, JACK HCAgranted 2006-10-05cancelled 2008-02-20