Because of the bandwidth required to transmit data when very high resolution images are acquired, these images are only acquired in areas of interest - and the southern Indian Ocean has, until recently, not been a high priority area for these.
Further, a lot of military satellites are almost certainly in orbits and with coverage limited to a small area directly below them.
John


 
						
					 
					
					 Originally Posted by Keithy P38
 Originally Posted by Keithy P38
					
 
				
				
				
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