Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB8WKO callsign genealogy
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 WB8WKO's current licensee, walking backwards.
- VARGO, MICHAEL WWVgranted 2009-01-21cancelled 2011-12-03
Successor callsigns
Callsigns held now by people who previously held WB8WKO.
- VARGO, MICHAEL WWVgranted 2009-01-21cancelled 2011-12-03
All historical holders
Every license row we've seen with the callsign WB8WKO, oldest first.
- VARGO, MICHAEL W WV2021-12-04 active
- —— → cancelled 1999-02-03