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

K5OJ callsign genealogy

Currently held by DIT DIT CONTEST CLUB

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 K5OJ's current licensee, walking backwards.

  1. AA6QDcancelled· E
    Li, BoCAgranted 2020-02-25cancelled 2022-05-03
  2. KJ7LJLcancelled· E
    Bo, LiORgranted 2019-12-20cancelled 2020-02-25

Successor callsigns

Callsigns held now by people who previously held K5OJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K5OJ, oldest first.

  • SHULTISE, QUIDO M OK
    1988-04-12 → cancelled 2000-04-13
  • DIT DIT CONTEST CLUB TX
    2010-04-02 → cancelled 2022-04-13
  • Li, Bo CA
    2022-05-03 active
← Back to K5OJ License history →