Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1CA callsign genealogy
Currently held by Tanaka, Norihiko
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 WA1CA's current licensee, walking backwards.
- Tanaka, NorihikoCAgranted 2014-05-21cancelled 2014-10-10
Successor callsigns
Callsigns held now by people who previously held WA1CA.
No current licensee on record previously held this callsign.