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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K2JOI callsign genealogy

Currently held by SCHUM, COURTNEY P

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 K2JOI's current licensee, walking backwards.

  1. AD8EBcancelled· E
    SCHUM, COURTNEY POHgranted 2017-05-19cancelled 2019-06-21
  2. W8CPSactive· E
    SCHUM, COURTNEY POHgranted 2019-12-28

Successor callsigns

Callsigns held now by people who previously held K2JOI.

  1. W8CPSactive· E
    SCHUM, COURTNEY POHgranted 2019-12-28
  2. W8CPScancelled· E
    SCHUM, COURTNEY POHgranted 2017-05-19cancelled 2019-05-31

All historical holders

Every license row we've seen with the callsign K2JOI, oldest first.

  • SCHUM, COURTNEY P OH
    2016-04-07 → cancelled 2017-05-19
  • SCHUM, COURTNEY P OH
    2019-06-21 → cancelled 2019-12-28
← Back to K2JOI License history →