Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF4F callsign genealogy
Currently held by STAUDENMAIER, WILLIAM M
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 WF4F's current licensee, walking backwards.
- VILLALBA MR, ORESTES AGAgranted 2017-07-28cancelled 2017-09-06
- VILLALBA MR, ORESTES AGAgranted 2012-05-22cancelled 2017-07-28
- VILLALBA, ORESTES AFLgranted 2003-07-02cancelled 2012-05-22
- VILLALBA, ORESTES AFLgranted 2003-07-02cancelled 2011-04-29
Successor callsigns
Callsigns held now by people who previously held WF4F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WF4F, oldest first.
- STAUDENMAIER, WILLIAM M NC2007-04-13 → cancelled 2015-08-17
- VILLALBA MR, ORESTES A GA2017-09-06 active