Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3MCA callsign genealogy
Currently held by Tachibana, Kaoru
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 W3MCA's current licensee, walking backwards.
- Tachibana, KaoruCAgranted 2001-07-17cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held W3MCA.
No current licensee on record previously held this callsign.