Radio operator's license of Japan
Radio station's license of 7M1STT
(Station's license which shows one's callsign is separated
from operator's license which certifies one's class in Japan.
Therefore we must have two papers to have own callsign.)
Tentative Callsign License of BV7/7M1STT
The amateur radio license of the U.S.A.
The amateur radio license of Republic of Palau
2nd class operator's licence of R.O.C (Taiwan)