Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1OS callsign genealogy
Currently held by Ikeda, Timothy P
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 KA1OS's current licensee, walking backwards.
- Ikeda, Timothy PMAgranted 2004-03-16cancelled 2006-02-04
Successor callsigns
Callsigns held now by people who previously held KA1OS.
No current licensee on record previously held this callsign.