Multibeam Report for BAS_GAP


Ship Name: James Clark Ross
Chief Scientist: Geoghegan, Michael
Geological Survey of Ireland
Source Organization: Geological Survey of Ireland (GSI)
Start Date: 2003-06-13
End Date: 2003-06-14


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Multibeam Bathymetry

Cruise Details

Project: BAS_GAP
Instrument: Simrad EM120

Data Quality

Number of Files: 32
Number of Records: 6820
BATHYMETRY DATA Quantity Percentage
Number of Beams 1302620 100%
Number of Good Beams 1214568 93.24%
Number of Zero Beams 88052 6.76%
Number of Flagged Beams 0 0%
AMPLITUDE DATA Quantity Percentage
Number of Beams 1302620 100%
Number of Good Beams 1214568 93.24%
Number of Zero Beams 88052 6.76%
Number of Flagged Beams 0 0%
SIDESCAN DATA Quantity Percentage
Number of Pixels 6983680 100%
Number of Good Pixels 4842058 69.33%
Number of Zero Pixels 0 0%
Number of Flagged Pixels 2141622 30.67%

Navigation Totals

Total Time: 23.8587 hours
Total Track Length: 594.1165 km
Average Speed: 24.901 km/hr (13.4455 knots)

Cruise Bounds

Northern Extent: 48.223137
Southern Extent: 47.19065
Western Extent: -13.432383
Eastern Extent: -11.809212

Limits

Minimum Sonar Depth 0 Maximum Sonar Depth 7.3
Minimum Altitude 0 Maximum Altitude 5783.5
Minimum Depth 2102.6299 Maximum Depth 6239.8198
Minimum Amplitude -64 Maximum Amplitude 13
Minimum Sidescan -64 Maximum Sidescan 56.5

File Information

Full Resolution Bathymetry as collected (raw): 30

Files File Size Description
0001_20030613_075059_raw.mb56.gz 4.54MB Simrad multibeam vendor format
0002_20030613_085059_raw.mb56.gz 4.48MB Simrad multibeam vendor format
0003_20030613_095059_raw.mb56.gz 4.31MB Simrad multibeam vendor format
0004_20030613_121217_raw.mb56.gz 4.70MB Simrad multibeam vendor format
0005_20030613_131218_raw.mb56.gz 4.68MB Simrad multibeam vendor format
0006_20030613_141218_raw.mb56.gz 4.98MB Simrad multibeam vendor format
0007_20030613_151218_raw.mb56.gz 2.07MB Simrad multibeam vendor format
0008_20030613_153634_raw.mb56.gz 2.01MB Simrad multibeam vendor format
0009_20030613_160231_raw.mb56.gz 4.95MB Simrad multibeam vendor format
0010_20030613_170231_raw.mb56.gz 4.30MB Simrad multibeam vendor format
0011_20030613_180232_raw.mb56.gz 4.02MB Simrad multibeam vendor format
0012_20030613_190232_raw.mb56.gz 4.38MB Simrad multibeam vendor format
0013_20030613_200232_raw.mb56.gz 4.40MB Simrad multibeam vendor format
0014_20030613_210232_raw.mb56.gz 0.89MB Simrad multibeam vendor format
0015_20030613_211422_raw.mb56.gz 2.29MB Simrad multibeam vendor format
0016_20030613_214430_raw.mb56.gz 4.81MB Simrad multibeam vendor format
0017_20030613_224430_raw.mb56.gz 4.83MB Simrad multibeam vendor format
0018_20030613_234431_raw.mb56.gz 4.73MB Simrad multibeam vendor format
0019_20030614_004430_raw.mb56.gz 373.5KB Simrad multibeam vendor format
0020_20030614_004934_raw.mb56.gz 4.61MB Simrad multibeam vendor format
0021_20030614_014934_raw.mb56.gz 4.48MB Simrad multibeam vendor format
0022_20030614_024934_raw.mb56.gz 4.33MB Simrad multibeam vendor format
0023_20030614_034914_raw.mb56.gz 1.85MB Simrad multibeam vendor format
0024_20030614_041529_raw.mb56.gz 4.35MB Simrad multibeam vendor format
0025_20030614_051529_raw.mb56.gz 1.65MB Simrad multibeam vendor format
0026_20030614_053839_raw.mb56.gz 0.79MB Simrad multibeam vendor format
0027_20030614_054934_raw.mb56.gz 4.30MB Simrad multibeam vendor format
0028_20030614_064934_raw.mb56.gz 3.91MB Simrad multibeam vendor format
0029_20030614_073943_raw.mb56.gz 4.48MB Simrad multibeam vendor format
0030_20030614_083943_raw.mb56.gz 2.69MB Simrad multibeam vendor format

Metadata Files: 1

Files File Size Description
BAS_GAP_Multibeam.xml NGDC created ISO metadata

Ancillary Files: 1

Files File Size Description
amt12_05.asvp.gz 4.8KB Sound Speed Profiles (SSP or SVP)