j299sf.m77t and j299sf.h77t: MGD77T data and header files for single-beam bathymetry data for field activity J-2-99-SF in Grizzly Bay, San Francisco Bay from 02/24/1999 to 03/08/1999

Single-beam bathymetry data along with DGPS navigation data was collected as part of the U.S. Geological Survey cruise J-2-99-SF. The cruise was conducted in Grizzly...作为美国地质调查局（U.S. Geological Survey）J-2-99-SF航次的研究内容之一，本次采集获取了单波束测深数据（Single-beam bathymetry data）与差分全球定位系统（Differential Global Positioning System，DGPS）导航数据。该航次于格里兹利（Grizzly）……开展