iG5 User Manual 6
'Archive All Projects' ............................................................... 33
'GPS Mounts on Drive'............................................................ 34
‘Minimum File Size to Transfer’ ............................................. 35
‘Show UTC Time’ ..................................................................... 35
'Default HI'............................................................................... 35
'Default Agency' ...................................................................... 36
'Default Operator' ................................................................... 36
'Decimate OPUS Submission to ...'......................................... 36
'Your Email'.............................................................................. 37
'Show Advanced Settings'....................................................... 37
‘PPP Service’............................................................................ 38
Export 8.3 Filenames .............................................................. 38
Format Extended .................................................................... 39
Use Direct OU Submission...................................................... 39
Utilities....................................................................................... 40
“1. Undelete Occupations”..................................................... 40
“2. HcRINEX Convertor”.......................................................... 40
“3. Mark One File Unread”..................................................... 40
“4. Mark All GPS Files Unread”............................................... 41
GPS Settings................................................................................. 41
GPS 'Settings' Tab...................................................................... 42
The ‘Log’ Tab ............................................................................. 42
OPUS: What is it? ........................................................................ 42
OPUS-RS (Rapid Static) ........................................................... 43
OPUS-Projects ......................................................................... 44
OPUS Error Messages and Failures........................................ 44
Interpreting OPUS Results ........................................................ 45
US Survey Feet vs. International Feet, Scale Factors ............ 46
Getting ready to use OPUS ......................................................... 47
Using OPUS-Projects ................................................................... 49
Best OPUS Practices for New and Experienced Users............... 51
The ‘OPUS Error Message’ Joke ............................................... 51
#1 OPUS-RS is Dicey................................................................ 51
#2 Only Some Submissions are being returned by OPUS ..... 52
#3 OPUS-RS is Very dependent on the Number, Availability, Proximity,
Distribution and Quality of nearby CORS Stations ................ 52
#4 Daily vs. Hourly CORS Availability ..................................... 54
#5 Some areas of the United States effectively ONLY have Daily Data
................................................................................................. 55
#6 Offline CORS Stations ........................................................ 57
#7 NGS CORS Station Quality ................................................. 57
#8 GPS Suitable Locations ...................................................... 61
Semi-Trucks and Trains........................................................... 63
Large Structures to the South ................................................ 64
Huge Trees to the South......................................................... 65
Huge Trees Overhead ............................................................. 65
Large Reflective Surfaces Nearby........................................... 66
Deep Canyons ......................................................................... 67
Power Poles............................................................................. 68