Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TIO callsign genealogy
Currently held by Overstreet, William H
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 W4TIO's current licensee, walking backwards.
- Overstreet, William HVAgranted 2023-08-22cancelled 2024-08-13
Successor callsigns
Callsigns held now by people who previously held W4TIO.
No current licensee on record previously held this callsign.