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

W4SLA callsign genealogy

Currently held by ADAMS SR, SAMUEL L

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 W4SLA's current licensee, walking backwards.

  1. KO4SWJcancelled· G
    LAWSON, RICHARD SNCgranted 2021-08-24cancelled 2021-10-23

Successor callsigns

Callsigns held now by people who previously held W4SLA.

  1. W3BUZcancelled· T
    ADAMS SR, SAMUEL LSCgranted 2003-06-20cancelled 2003-11-25

All historical holders

Every license row we've seen with the callsign W4SLA, oldest first.

  • ADAMS SR, SAMUEL L SC
    1998-03-04 → cancelled 2003-06-20
  • LAWSON, RICHARD S NC
    2021-10-23 active
← Back to W4SLA License history →