for ($n=0;$n<=$#lat;$n++) {

	for ($v=0;$v<=$#lat;$v++) {

	if ($lat[$n] > $lat[$v]-.01 &&
        $lat[$n] < $lat[$v]+.01 &&
	$long[$n] > $long[$v]-.01 &&
	$long[$n] < $long[$v]+.01) {

	if ($numbdate[$n] == ($numbdate[$v]+1) &&
	$timestamp[$n] > 1400 &&
	$timestamp[$v] < 1400) {
			$e++;
			};


	if ($numbdate[$n] == ($numbdate[$v]) &&
	$timestamp[$n] < ($timestamp[$v]-400)) {
			$d++;
			};
	}
}
}