B-mode gaps (or duplicate numbers) in sounding sequence: (The soundings numbered below exist, gaps are in between), 622444 to 622446 622446 to 622448 622448 to 622450 622450 to 622452 622452 to 622454 622454 to 622456 622456 to 622458 622458 to 622460 622460 to 622462 622462 to 622464 622464 to 622466 622466 to 622468 622468 to 622470 622470 to 622472 622472 to 622474 622474 to 622476 622476 to 622478 622478 to 622480 622480 to 622482 622482 to 622484 623239 to 623241 623404 to 623406 623634 to 623636 623819 to 623821