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

KA4OEM callsign genealogy

Currently held by York County Emergency Management Amateur Radio 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 KA4OEM's current licensee, walking backwards.

  1. K1VOLcancelled· T
    BEAN, JAMES CTNgranted 2007-09-25cancelled 2017-07-18
  2. KI4YYMcancelled· T
    BEAN, JAMES CTNgranted 2007-08-22cancelled 2007-09-25

Successor callsigns

Callsigns held now by people who previously held KA4OEM.

  1. W4OEMactive
    Lake County Emergency Management ARESFLgranted 2021-04-29

All historical holders

Every license row we've seen with the callsign KA4OEM, oldest first.

  • York County Emergency Management Amateur Radio Club SC
    2011-01-04 → cancelled 2011-07-12
  • BEAN, JAMES C TN
    2017-07-18 active
← Back to KA4OEM License history →