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Symbol | Type | Description |
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CORS Site | Continuously Operating Reference Station |
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GPS Site | Any site that has an Ellipsoid height |
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Classic Horizontal | Any mark with a Horizontal Source of [ADJUSTED or NO CHECK] |
Symbol | Type | Description |
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Vertical Control | Any mark with a Vertical Source of [ADJUSTED, ADJ UNCH, POSTED, READJUST, N HEIGHT, RESET, COMPUTED, GPSCONLV, LEVELING, GPS OBS (with 2 decimal elevation and not VERTCON)] |
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Approximate Height | Any mark with a Vertical Source of [H LEVEL, VERT ANG, U HEIGHT, VERTCON, GPS OBS (with an elevation less than 2 decimals)] |
Symbol | Type | Description |
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GPS and Vertical Control | Fits criteria for both GPS Site and Vertical Control |
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GPS and Approximate Height | Fits criteria for both GPS Site and Approximate Height |
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Classic Horizontal and Vertical Control | Fits criteria for both Classical Horizontal and Vertical Control |
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Classic Horizontal and Approximate Height | Fits criteria for both Classical Horizontal and Approximate Height |
Symbol | Description |
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Cluster of 2 to 9 Marks |
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Cluster of 10 to 99 Marks |
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Cluster of more than 100 Marks |