Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS0ATO callsign genealogy
Currently held by STEPLETON, THOMAS S
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 WS0ATO's current licensee, walking backwards.
- STEPLETON, THOMAS SMOgranted 1998-11-10cancelled 2001-02-23
Successor callsigns
Callsigns held now by people who previously held WS0ATO.
No current licensee on record previously held this callsign.