Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF4S callsign genealogy
Currently held by Grey, Steven 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 WF4S's current licensee, walking backwards.
- Grey, Steven ASCgranted 2012-09-14cancelled 2017-09-26
Successor callsigns
Callsigns held now by people who previously held WF4S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF4S, oldest first.
- DUKE SR, JAMES H FL2006-06-21 → cancelled 2015-09-07
- Grey, Steven A SC2017-09-26 active