Setting the Stage: Trimble CBS and NGS datasheet coordinates Print

A. View Trimble CBS coordinates


1. Update Trimble CBS list

2. Select a CORS station near your GPS data

    i.e. GARLIC (GARL), NEVADA (ITRF00(1997)-Derived from IGS08)

3. Click on the Properties tab

4. The Reference Position in ITRF00 epoch 1997 is on the Base Station tab



B. View base station coordinates on NGS datasheets

 

1. Click on the General tab

2. Click on Go To to open the CORS web page

    Site ID should be entered already

 

3. Click on Enter Site ID

4. Click on Coordinates on the left

 

5. Under New Coordinates, click on Position and Velocity

     View Absolute antennae position for L1 Phase Center (not ARP)

 

6. Under Old Coordinates, click on Position and Velocity

    View Relative antennae position for L1 Phase Center (not ARP)

 

7. For reasons discussed later, also on the Old Coordinates Position and Velocity

    sheet, view the relative antennae position for Antennae Reference Position (ARP)

    in NAD83(CORS96)