Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW2K callsign genealogy
Currently held by AIZAKI, YUKI
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 KW2K's current licensee, walking backwards.
- AIZAKI, YUKINYgranted 2011-05-20cancelled 2011-11-15
Successor callsigns
Callsigns held now by people who previously held KW2K.
- BYERS, BRIAN CMOgranted 2020-06-24
All historical holders
Every license row we've seen with the callsign KW2K, oldest first.
- MARYNIAK, PETER NY1995-07-18 → cancelled 2007-07-19
- BYERS, BRIAN C OR2007-12-07 → cancelled 2009-10-27
- AIZAKI, YUKI NY2021-09-13 active