Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6CWO callsign genealogy
Currently held by SIKORA, GERALD 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 W6CWO's current licensee, walking backwards.
- KI7VKYcancelledPACIFIC CWOPS CLUBNVgranted 2018-03-21cancelled 2018-04-14
Successor callsigns
Callsigns held now by people who previously held W6CWO.
- SIKORA, GERALD ACAgranted 2024-04-02
All historical holders
Every license row we've seen with the callsign W6CWO, oldest first.
- SIKORA, GERALD A CA2000-06-06 → cancelled 2004-03-16
- PACIFIC CWOPS CLUB CA2018-04-14 active