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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W3SML callsign genealogy

Currently held by Latham, Shannon M

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 W3SML's current licensee, walking backwards.

  1. KA8JRQcancelled· E
    Latham, Shannon MPAgranted 2014-05-30cancelled 2020-01-10
  2. KV4XIcancelled· E
    Latham, Shannon MKYgranted 2014-04-17cancelled 2014-05-30

Successor callsigns

Callsigns held now by people who previously held W3SML.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3SML, oldest first.

  • Latham, Shannon M PA
    2010-04-20 → cancelled 2010-06-10
  • Latham, Shannon M KY
    2020-01-10 active
← Back to W3SML License history →