Image	Platform/Sensor	Area	Date
	SIR-C / X-SAR	Atlantic Ocean	October 4, 1994
	Ocean-7/RAR	Southern Okhotsk Sea, Kuril Islands: Iturup, Urup	December 24, 1994
	ERS-2/SAR	Northwestern Japan Sea	September 22, 1997
	Ocean-7/RAR	Western Okhotsk Sea, Pacific Ocean, south of Kuril Islands, Kunashir, Iturup, Urup	January 07, 2000