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

KJ4OKD callsign genealogy

Currently held by Otwell Jr, Jack G

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 KJ4OKD's current licensee, walking backwards.

  1. W4RIPactive· E
    SIMPSON, DAVID BNCgranted 2018-10-06
  2. KM4TPScancelled· G
    SIMPSON, DAVID BNCgranted 2016-05-02cancelled 2018-10-06

Successor callsigns

Callsigns held now by people who previously held KJ4OKD.

  1. W4RIPcancelled· G
    Otwell Jr, Jack GALgranted 2010-04-27cancelled 2012-11-09

All historical holders

Every license row we've seen with the callsign KJ4OKD, oldest first.

  • Otwell Jr, Jack G AL
    2009-08-17 → cancelled 2010-04-27
  • Otwell Jr, Jack G AL
    2023-06-08 active
← Back to KJ4OKD License history →