B-mode gaps (or duplicate numbers) in sounding sequence:
(The soundings numbered below exist, gaps are in between),
680495 to 680497
682054 to 682056
682056 to 682058
682058 to 682060
682060 to 682062
682062 to 682064
682158 to 682160
682164 to 682166
682204 to 682206