B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 633188 to 633190 633316 to 633318 633332 to 633334 633787 to 633789 633847 to 633849 633985 to 633987 634175 to 634177 634343 to 634345 634347 to 634349 634353 to 634355 634363 to 634365 634369 to 634371 634418 to 634420