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1960
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born
in Sapporo-city, Hokkaido
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1971
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moved
to Sendai-city, Miyagi
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1973
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entered
Miyagino Juniour High School
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1974
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got
a Denwa Class (no code) Operator's License and
opened JH7GPW with 10W power
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1974
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joined
the school club station JA7ZAK
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1976
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entered
Sendai First High School and joined the school club JA7YDX
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1976
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got
a 2nd Class Operator's License and QRO'ed to 100W
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1977
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got
a 1st Class Operator's License and changed the power of JA7YDX to 500W
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1978
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obtained
another callsign JH8KYU
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1979
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moved
back to Sapporo-city and went to almost QRT
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1980
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moved
to Tokyo and admitted to enter the Science University of Tokyo (but didn't
join the school club JA1YCR)
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1984
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moved
to Chiba-city, Chiba and joined a computer company (still almost QRT but
sometimes SWL'ing)
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1989
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re-opened
the station JH8KYU and mainly worked domestic hams by gfield-day styleh
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1995
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moved
to Ome-city, Tokyo
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2000
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experienced
the first DX vacation in Saipan Island and the main radio activity has totally
shifted to DX contesting
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2000
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got
an Extra Class License of FCC and got the callsign K8YU by the vanity system
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2002
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moved
to Hamura-city, Tokyo
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2003
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got
another callsign JA1CSN, but continued using JH8KYU mainly
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2004
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moved
back to Ome-city, Tokyo
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2011
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moved
back to Chiba-city
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2017
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moved
to Nasushiobara-city, Tochigi
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2022
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established
the fixed station JA1CSN with 1kW power in Ashigarakami-gun,
Kanagawa
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2022
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moved
to Yachimata-city, Chiba
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