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

W1TL callsign genealogy

Currently held by LARSON, THOMAS D

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 W1TL's current licensee, walking backwards.

  1. W4IEOcancelled· E
    PAYNE, CURTIS HTNgranted 2017-07-11cancelled 2017-11-17
  2. W3TRCactive· T
    McCormick, William RPAgranted 2021-09-17
  3. KC3SQJcancelled· T
    McCormick, William RPAgranted 2021-08-25cancelled 2021-09-17

Successor callsigns

Callsigns held now by people who previously held W1TL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1TL, oldest first.

  • LARSON, THOMAS D MA
    2006-09-30 → cancelled 2015-10-28
  • PAYNE, CURTIS H TN
    2017-11-17 active
← Back to W1TL License history →