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

K4BCO callsign genealogy

Currently held by LAWRENCE, JAMES S

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 K4BCO's current licensee, walking backwards.

  1. WB4BWCcancelled· G
    CRYER, WALLACE MGAgranted 2015-10-03cancelled 2016-01-29
  2. KM4NGGcancelled· T
    CRYER, WALLACE MGAgranted 2015-09-14cancelled 2015-10-03

Successor callsigns

Callsigns held now by people who previously held K4BCO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4BCO, oldest first.

  • LAWRENCE, JAMES S FL
    1996-01-31 → cancelled 2008-02-01
  • CRYER, WALLACE M GA
    2016-01-29 active