Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SVT callsign genealogy
Currently held by DOYLE SR, HOWARD E
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 W4SVT's current licensee, walking backwards.
- Anton, Mark JMDgranted 2021-09-28cancelled 2022-02-12
Successor callsigns
Callsigns held now by people who previously held W4SVT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SVT, oldest first.
- DOYLE SR, HOWARD E SC1987-09-22 → cancelled 1999-09-23
- Anton, Mark J VA2022-02-12 active