Data

AUSGeoid98 v.1.0 data files: (sb49)

Geoscience Australia
Geoscience Australia
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://pid.geoscience.gov.au/dataset/ga/63341&rft.title=AUSGeoid98 v.1.0 data files: (sb49)&rft.identifier=https://pid.geoscience.gov.au/dataset/ga/63341&rft.description=AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use your own interpolation software, or you can use Geoscience Australia's Windows Interpolation software (Winter). The data files are text files in a standard format that cover the same area as standard topographic map areas. Files covering both 1:250,000 (approximately 100 x 150 km) and 1:1,000,000 (approximately 400 x 600 km) map areas are available. There is a 4 minute overlap on all sides of each area. Data format: AUSGeoid98 data files have a header record at the start of each file, to distinguish them from the superseded AUSGeoid93 data files. AUSGeoid98 data files show the geoid-ellipsoid separation to 3 decimal places, while the superseded AUSGeoid93 data files showed only 2 decimal places. AUSGeoid98 deflections of the vertical were computed from the geoid-ellipsoid separation surface, while the AUSGeoid93 deflections of the vertical were computed from OSU91A.Maintenance and Update Frequency: unknownStatement: Unknown&rft.creator=Geoscience Australia &rft.date=2005&rft.coverage=westlimit=108; southlimit=-8.0; eastlimit=114; northlimit=-4.0&rft.coverage=westlimit=108; southlimit=-8.0; eastlimit=114; northlimit=-4.0&rft_rights=&rft_rights=Creative Commons Attribution 4.0 International Licence&rft_rights=CC-BY&rft_rights=4.0&rft_rights=http://creativecommons.org/licenses/&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Australian Government Security ClassificationSystem&rft_rights=https://www.protectivesecurity.gov.au/Pages/default.aspx&rft_rights=WWW:LINK-1.0-http--link&rft_rights=Creative Commons Attribution 4.0 International Licence http://creativecommons.org/licenses/by/4.0&rft_subject=imageryBaseMapsEarthCover&rft_subject=Geodetic Data&rft_subject=AUSGeoid98&rft_subject=geodesy&rft_subject=dataset&rft_subject=AU&rft_subject=Geodesy&rft_subject=ENGINEERING&rft_subject=GEOMATIC ENGINEERING&rft_subject=Published_External&rft.type=dataset&rft.language=English Access the data
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CC-BY

Creative Commons Attribution 4.0 International Licence
http://creativecommons.org/licenses/by/4.0

Creative Commons Attribution 4.0 International Licence

CC-BY

4.0

http://creativecommons.org/licenses/

WWW:LINK-1.0-http--link

Australian Government Security ClassificationSystem

https://www.protectivesecurity.gov.au/Pages/default.aspx

WWW:LINK-1.0-http--link

Access:

Open

Contact Information

clientservices@ga.gov.au

Brief description

AUSGeoid98 data files contain a 2 minute grid of AUSGeoid98 data covering the Australian region, which you can use to interpolate geoid-ellipsoid separations for the positions required.You can use your own interpolation software, or you can use Geoscience Australia's Windows Interpolation software (Winter). The data files are text files in a standard format that cover the same area as standard topographic map areas. Files covering both 1:250,000 (approximately 100 x 150 km) and 1:1,000,000 (approximately 400 x 600 km) map areas are available. There is a 4 minute overlap on all sides of each area. Data format: AUSGeoid98 data files have a header record at the start of each file, to distinguish them from the superseded AUSGeoid93 data files. AUSGeoid98 data files show the geoid-ellipsoid separation to 3 decimal places, while the superseded AUSGeoid93 data files showed only 2 decimal places. AUSGeoid98 deflections of the vertical were computed from the geoid-ellipsoid separation surface, while the AUSGeoid93 deflections of the vertical were computed from OSU91A.

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Maintenance and Update Frequency: unknown
Statement: Unknown

Issued: 2005

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114,-4 114,-8 108,-8 108,-4 114,-4

111,-6

text: westlimit=108; southlimit=-8.0; eastlimit=114; northlimit=-4.0

Subjects
AU | AUSGeoid98 | Engineering | Geomatic Engineering | Geodesy | Geodetic Data | Published_External | dataset | geodesy | imageryBaseMapsEarthCover |

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Other Information
http://www.ga.gov.au/geodesy/ausgeoid/files.jsp (Related Product)

uri : http://www.ga.gov.au/geodesy/ausgeoid/files.jsp

Download the file (.dat) (File download)

uri : https://d28rz98at9flks.cloudfront.net/63341/63341_sb49.zip

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