B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 652368 to 652370 652568 to 652570 653551 to 653553 653553 to 653555 653557 to 653559 653559 to 653561 653599 to 653601 653601 to 653603 653629 to 653631 653631 to 653633 653741 to 653743 653923 to 653925 653925 to 653927 653941 to 653943 654091 to 654093 654115 to 654117 654117 to 654119 654119 to 654121 654121 to 654123 654123 to 654125 654125 to 654127 654127 to 654129 654129 to 654131 654131 to 654133 654133 to 654135 654135 to 654137 654137 to 654139 654139 to 654141 654141 to 654143 654143 to 654145 654145 to 654147 654147 to 654149 654149 to 654151 654151 to 654153 654153 to 654155 654155 to 654157 654157 to 654159 654159 to 654161 654161 to 654163 654163 to 654165 654165 to 654167 654167 to 654169 654169 to 654171 654171 to 654173 654173 to 654175 654175 to 654177 654177 to 654179 654179 to 654181 654181 to 654183 654183 to 654185 654185 to 654187 654187 to 654189 654189 to 654191 654191 to 654193 654228 to 654230 654447 to 654449 654459 to 654461 655143 to 655145 655685 to 655687 656191 to 656193 656409 to 656411 656497 to 656499 656499 to 656501 656501 to 656503 656503 to 656505 656505 to 656507 656507 to 656509 656509 to 656511 656511 to 656513 656513 to 656515 656515 to 656517 656517 to 656519 656519 to 656521 656521 to 656523 656523 to 656525 656525 to 656527 656527 to 656529 656529 to 656531 656531 to 656533 656533 to 656535 656535 to 656537 656537 to 656539 656539 to 656541 656541 to 656543 656543 to 656545 656545 to 656547 656547 to 656549 656549 to 656551 656551 to 656553 656553 to 656555 656555 to 656557 656557 to 656559 656559 to 656561 656561 to 656563 656563 to 656565 656565 to 656567 656567 to 656569 656569 to 656571 656571 to 656573 656573 to 656575 656575 to 656577 656577 to 656579 656579 to 656581 656581 to 656583 656583 to 656585 656585 to 656587 656587 to 656589 656620 to 656620 656688 to 656690