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

AD6OJ callsign genealogy

Currently held by Chang, Moses S

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 AD6OJ's current licensee, walking backwards.

  1. KQ6VOcancelled· A
    CHANG, MOSES SCAgranted 1998-04-15cancelled 2000-06-03
  2. KF6LIScancelled· T
    CHANG, MOSES Scancelled 1998-04-15

Successor callsigns

Callsigns held now by people who previously held AD6OJ.

  1. N5OQactive· E
    Chang, Moses SCAgranted 2021-08-31
← Back to AD6OJ License history →