B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 713751 to 713753 714044 to 714046 714317 to 714319 714319 to 714321 714321 to 714323 714323 to 714325 714325 to 714327 714327 to 714329 714329 to 714331 714331 to 714333 714366 to 714368 714519 to 714521 714759 to 714761 714950 to 714952 715020 to 715022 715126 to 715128 715128 to 715130 715130 to 715132 715573 to 715575 715919 to 715921 715927 to 715929 715941 to 715943