Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4STO callsign genealogy
Currently held by TOLITO, STEPHEN A
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 W4STO's current licensee, walking backwards.
- Tolito, Stephen ANMgranted 2013-04-30cancelled 2013-05-21
Successor callsigns
Callsigns held now by people who previously held W4STO.
No current licensee on record previously held this callsign.