B-mode gaps (or duplicate numbers) in sounding sequence:
(The soundings numbered below exist, gaps are in between),
646285 to 646287
647060 to 647062
647246 to 647248
647384 to 647386
648070 to 648072
648126 to 648128
648134 to 648136
648849 to 648851
649140 to 649142