B-mode gaps (or duplicate numbers) in sounding sequence:
(The soundings numbered below exist, gaps are in between),
720992 to 720994
720994 to 720996
720996 to 720998
720998 to 721000
721000 to 721002
721002 to 721004
721004 to 721006
721006 to 721008
721008 to 721010
721010 to 721012
721012 to 721014
721014 to 721016
721016 to 721018
721018 to 721020
721020 to 721022
721022 to 721024
722019 to 722021
722471 to 722473
722593 to 722595
723870 to 723872
724130 to 724132
724736 to 724738
724936 to 724938
724938 to 724940
724940 to 724942
724942 to 724944
724944 to 724946
724946 to 724948
724948 to 724950
724950 to 724952
724952 to 724954