Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1BDX callsign genealogy
Currently held by Rikitake, Kenji
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 K1BDX's current licensee, walking backwards.
- DAVIDSON, CRAIG ATXgranted 2009-01-06cancelled 2009-10-06
Successor callsigns
Callsigns held now by people who previously held K1BDX.
- Rikitake, KenjiCAgranted 2017-02-15
All historical holders
Every license row we've seen with the callsign K1BDX, oldest first.
- Rikitake, Kenji CA2003-03-18 → cancelled 2007-05-15
- DAVIDSON, CRAIG A TX2019-07-25 active