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

WJ4E callsign genealogy

Currently held by BECKER, LEONARD T

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 WJ4E's current licensee, walking backwards.

  1. KG4CAMcancelled· E
    Olvesen, Jeffrey MFLgranted 2020-09-09cancelled 2021-05-07
  2. KJ4CKRcancelled· G
    Olvesen, Jeffrey MFLgranted 2017-12-13cancelled 2020-09-09

Successor callsigns

Callsigns held now by people who previously held WJ4E.

  1. K4OBYactive· E
    BECKER, LEONARD TSCgranted 2019-04-16

All historical holders

Every license row we've seen with the callsign WJ4E, oldest first.

  • BECKER, LEONARD T SC
    2017-06-20 → cancelled 2019-04-16
  • Olvesen, Jeffrey M FL
    2021-05-07 active
← Back to WJ4E License history →