Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1TWS callsign genealogy
Currently held by Swango, Tom W
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 W1TWS's current licensee, walking backwards.
- Swango, Thomas WTNgranted 2013-02-27cancelled 2013-05-03
Successor callsigns
Callsigns held now by people who previously held W1TWS.
No current licensee on record previously held this callsign.