Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WF6W callsign genealogy
Currently held by BOTKO, VOJTECH
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 WF6W's current licensee, walking backwards.
- Wachi, IsaoORgranted 2018-12-13cancelled 2019-02-01
Successor callsigns
Callsigns held now by people who previously held WF6W.
- Krug, Frank GIDgranted 2016-12-09
All historical holders
Every license row we've seen with the callsign WF6W, oldest first.
- BOTKO, VOJTECH CA2002-10-08 → cancelled 2015-01-06
- Krug, Frank G CA2015-01-30 → cancelled 2016-12-09
- Wachi, Isao OR2019-02-01 active