User and NGS perspectives
How to Access NSRS Passive monuments - Datasheets http://geodesy.noaa.gov/cgi-bin/datasheet.prl
Active GPS - CORS data http://geodesy.noaa.gov/CORS
- OPUS processing http://geodesy.noaa.gov/OPUS
How to Maintain NSRS Passive monuments - Add observations via BLUEBOOKING
- Online recovery recvy_entry_www.prl
- Online GPS observations via OPUS-DB
Active GPS - Join Cooperative CORS http://geodesy.noaa.gov/CORS/Coop/
Why reinvent bluebooking?
Simple is better!
The OPUS-DB Experience
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
The OPUS-DB Experience 1. user registers 2. NGS approves 3. user uploads 4. NGS reviews 5. user approves 6. NGS approves
OPUS-DB benefits Consistent data processing Improve maintenance of NSRS - Add GPS on bench marks
- Archive PLSS corners?
OPUS-DB limitations GPS data only PAGES software only No direct tie to adjacent monuments No redundancy Reduced oversight Idiot-proofing? Field logs are not archived
Registered, trained users 4+ hours of static GPS OPUS error checking NGS reviews each submittal Datasheet includes: - “Caveat emptor” warning
- Datasheet includes DQA statistics
- Agency attribution
Coordinates: first, best, average
Many Flavors of OPUS Planned OPUS - $$$ receiver, hours of data
OPUS-DB OPUS Projects - Multiple $$$ receivers, share results
OPUS Rapid Static - $$$ receiver, minutes of data
OPUS GIS - ¢¢ receiver, minutes of data
Dostları ilə paylaş: |