B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 11558 to 11560 11922 to 11925 12227 to 12229 12430 to 12432 13681 to 13683 13793 to 13795 13886 to 13897 14005 to 14007 14009 to 14011 14027 to 14029 14836 to 14838 15448 to 15450 15821 to 15823 16095 to 16097 16181 to 16183 16443 to 16445 16535 to 16537 16669 to 16671 16998 to 17000 17327 to 17329 17368 to 17370 17394 to 17396 19009 to 19011 19164 to 19166 19176 to 19178 19399 to 19401 21535 to 21537 21975 to 21977 22125 to 22127 22164 to 22166 22202 to 22204 22226 to 22228 22260 to 22262 22295 to 22297 22397 to 22399 22444 to 22446 22464 to 22466 22641 to 22643 22794 to 22796 22999 to 23001 23381 to 23383 23395 to 23397 23397 to 23399 23407 to 23409 23459 to 23461 23682 to 23684 23752 to 23754