This technique has been reported by many users to enhance the "snappiness" of browsing with these high latency connections.
It seems that Satellite Return Systems (SRS) get more of a benefit than Dial Return Systems (DRS) from this tweak, because of the greater latency with SRS.
Try reducing your browser's cache to 1mb size.
In IE, go to Tools -> Internet Options. Under "Temporary Internet Files" press the "settings" button. Under "Temporary Internet Files Folder" change the number in the box to 1. Press OK, then OK again.
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