Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1TDS callsign genealogy
Currently held by Swindle, Tony 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 W1TDS's current licensee, walking backwards.
- Swindle, Tony DTNgranted 2021-09-13cancelled 2024-02-27
Successor callsigns
Callsigns held now by people who previously held W1TDS.
- Swindle, Tony DTNgranted 2025-02-22
All historical holders
Every license row we've seen with the callsign W1TDS, oldest first.
- Needham, Arthur R MA2007-01-23 → cancelled 2019-04-05
- Swindle, Tony D TN2024-02-27 → cancelled 2025-02-22