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

KB4LAJ callsign genealogy

Currently held by Barnwell Jr, Lawrence A

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 KB4LAJ's current licensee, walking backwards.

  1. KO4TMOcancelled· G
    Barnwell Jr, Lawrence ANCgranted 2021-09-22cancelled 2021-10-15

Successor callsigns

Callsigns held now by people who previously held KB4LAJ.

  1. W4BWLcancelled· E
    Barnwell Jr, Lawrence ANCgranted 2021-11-27cancelled 2022-11-15
← Back to KB4LAJ License history →