Tag «Photogrammetry»

GCP Archive vs. New Collect: Choosing the Right Ground Control Strategy

Buying from a GCP archive is cost-effective for projects where existing points meet accuracy requirements

Archive GCPs are well suited to budget-conscious projects that need a fast turnaround, while new collection delivers site-specific accuracy through CompassData’s field-proven process. New collections use dual-frequency GPS and GNSS receivers, total stations, and methods such as static, rapid-static, and RTK surveys. Each point is cross-checked and validated, making new collection an ideal choice when …