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Ellipsoid:
Clarke 1858
Clarke 1858
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Ellipsoid Details |
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| Name: | Clarke 1858 |
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| Code: | 7007 |
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| Shape: | Ellipsoid |
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| Semi-Major Axis: |
20926348 Clarke's foot
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Unit Details
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| Unit Name: | Clarke's foot |
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| Unit Code: | 9005 |
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| Type: | length |
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| Target Unit: | metre
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Unit Details
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| Unit Name: | metre |
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| Unit Code: | 9001 |
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| Type: | length |
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| Target Unit: | metre |
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| Meta Data |
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| Remarks: | Also known as International metre. SI standard unit. |
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| Information Source: | ISO 1000. |
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| Data Source: | IOGP |
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| Revision Date: | January 20, 2020 |
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| Change Id: |
[2015.062] |
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| Meta Data |
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| Remarks: | Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. |
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| Information Source: | Australian Land Information Group www.auslig.gov.au |
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| Data Source: | IOGP |
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| Revision Date: | January 20, 2020 |
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| Change Id: |
[1997.233] [1999.990] [2000.050] [2005.370] [2005.460] [2015.062] |
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|
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| Semi Minor Axis: | 20855233
Clarke's foot
|
Unit Details
|
|---|
| Unit Name: | Clarke's foot |
|---|
| Unit Code: | 9005 |
|---|
| Type: | length |
|---|
| Target Unit: | metre
|
Unit Details
|
|---|
| Unit Name: | metre |
|---|
| Unit Code: | 9001 |
|---|
| Type: | length |
|---|
| Target Unit: | metre |
|---|
| Meta Data |
|---|
| Remarks: | Also known as International metre. SI standard unit. |
|---|
| Information Source: | ISO 1000. |
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| Data Source: | IOGP |
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| Revision Date: | January 20, 2020 |
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| Change Id: |
[2015.062] |
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|
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| Meta Data |
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| Remarks: | Assumes Clarke's 1865 ratio of 1 British foot = 0.3047972654 French legal metres applies to the international metre. Used in older Australian, southern African & British West Indian mapping. |
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| Information Source: | Australian Land Information Group www.auslig.gov.au |
|---|
| Data Source: | IOGP |
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| Revision Date: | January 20, 2020 |
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| Change Id: |
[1997.233] [1999.990] [2000.050] [2005.370] [2005.460] [2015.062] |
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| Meta Data |
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| Remarks: | Clarke's 1858/II solution. Derived parameters: a = 6378293.645m using his 1865 ratio of 0.3047972654 feet per metre; 1/f = 294.26068⦠In Australia and Amoco Trinidad 1/f taken to two decimal places (294.26 exactly); elsewhere a and b used to derive 1/f. |
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| Information Source: | "Ellipsoidisch Parameter der Erdfigur (1800-1950)" by Georg Strasser. |
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| Data Source: | OGP |
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| Revision Date: | January 20, 2020 |
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| Change Id: |
[1999.700] [2005.370] |
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| Alias: |
| Alias |
Naming System |
Remarks |
| Clarke_1858 |
ESRI |
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