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

AA1TS callsign genealogy

Currently held by Stephenson, Thomas P

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 AA1TS's current licensee, walking backwards.

  1. WA1RJFcancelled· E
    Stephenson, Thomas PMAgranted 2023-09-15cancelled 2024-03-12
  2. KC1TIXcancelled· G
    Stephenson, Thomas PMAgranted 2023-08-25cancelled 2023-09-15

Successor callsigns

Callsigns held now by people who previously held AA1TS.

  1. AD5Cexpired· E
    Carvajal, Jose IFLgranted 2009-08-22cancelled 2021-06-25

All historical holders

Every license row we've seen with the callsign AA1TS, oldest first.

  • Stephenson, Thomas P MA
    2024-03-12 active
  • CARVAJAL, JOSE I
    → cancelled 1999-06-24