B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 708331 to 708333 708381 to 708383 708400 to 708402 708500 to 708502 708514 to 708516 708531 to 708533 708579 to 708581 708615 to 708617 708631 to 708633 708634 to 708636 708744 to 708746 708762 to 708764 708814 to 708816 708881 to 708883 708957 to 708959 708985 to 708987 709021 to 709023 709031 to 709033 709065 to 709067 709085 to 709087 709115 to 709117 709119 to 709121 709123 to 709125 709153 to 709155 709167 to 709169 709237 to 709239 709319 to 709321 709345 to 709347 709419 to 709421 709444 to 709446 709480 to 709482 709587 to 709589 709634 to 709636 709746 to 709748 709748 to 709750 709750 to 709752 709752 to 709754 709754 to 709756 709756 to 709758 709758 to 709760 709760 to 709762 709762 to 709764 709764 to 709766 709766 to 709768 709768 to 709770 709770 to 709772 709772 to 709774 709774 to 709776 709776 to 709778 709778 to 709780 709780 to 709782 709782 to 709784 709784 to 709786 709786 to 709788 709788 to 709790 709790 to 709792 709792 to 709794 709794 to 709796 709796 to 709798 709798 to 709800 709800 to 709802 709802 to 709804 709804 to 709806 709806 to 709808 709808 to 709810 709810 to 709812 709906 to 709908 709924 to 709926 709926 to 709928 709942 to 709944 710016 to 710018 710098 to 710100 710120 to 710122 710140 to 710142 710152 to 710154 710156 to 710158 710160 to 710162 710173 to 710175 710228 to 710230 710427 to 710429 710433 to 710435 710512 to 710514 710526 to 710528 710576 to 710578 710590 to 710592 710636 to 710638 710702 to 710704 710770 to 710772