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

N5LSW callsign genealogy

Currently held by TREAT, JAY 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 N5LSW's current licensee, walking backwards.

  1. KG5QLZcancelled· T
    WESTROM, LANDON STXgranted 2016-11-28cancelled 2016-12-23

Successor callsigns

Callsigns held now by people who previously held N5LSW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N5LSW, oldest first.

  • TREAT, JAY T OK
    1987-11-17 → cancelled 1999-11-18
  • WESTROM, LANDON S TX
    2016-12-23 active