Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6KKK callsign genealogy
Currently held by Caprio, Charles K
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 W6KKK's current licensee, walking backwards.
- Takada, KeitaroCAgranted 2014-06-19cancelled 2015-07-07
Successor callsigns
Callsigns held now by people who previously held W6KKK.
- Caprio, Charles KAZgranted 2007-03-23cancelled 2019-03-26
All historical holders
Every license row we've seen with the callsign W6KKK, oldest first.
- Caprio, Charles K AZ1999-04-30 → cancelled 2007-03-23
- Takada, Keitaro CA2025-05-03 active