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

AB0JU callsign genealogy

Currently held by Crain, Stephen R

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 AB0JU's current licensee, walking backwards.

  1. KI0RKcancelled· A
    Crain, Stephen RMOgranted 1999-07-26cancelled 2000-01-28
  2. KC0GGKcancelled· G
    CRAIN, STEPHEN RMOgranted 1999-07-26cancelled 2000-01-04

Successor callsigns

Callsigns held now by people who previously held AB0JU.

  1. KG0Kactive· E
    Crain, Stephen RMOgranted 2019-12-03
← Back to AB0JU License history →