Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3TSW callsign genealogy
Currently held by Waters, Shane 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 W3TSW's current licensee, walking backwards.
- Waters, Shane MPAgranted 2015-04-10cancelled 2015-05-05
Successor callsigns
Callsigns held now by people who previously held W3TSW.
No current licensee on record previously held this callsign.