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The new ASPRs Standards and number of check points
The new standards provide Table 8 for the recommended number of check points required for validating product accuracies. For project areas that are larger than 10,000 square kilometers, use only 120 checkpoints.
Table 8 Recommended number of check points required for validating product accuracies according to ASPRS Standards, Edition 2
Click for a text description of Table 8.