Spectra Precision FAST Survey Reference Manual - Manual (Page 202)

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The Recording Site screen can be exited by clicking the Stop Point Logging button or the Exit-Continue Logging
button (which leaves the site running but exits the dialog). You will return to the main post processing screen. From
here you may exit, tag more sites, manage files, or close the file by clicking the Close File button.
Start Processing/Stop Processing
These buttons pause and resume recording to the file. If the file is recording, Stop Processing will pause the recording.
If the file is not recording, Start Processing will resume the file. When the file first starts, it is recording.
File Manager
Go to the SURVEY tab, and click the Log Static Data button. You will see a screen with six buttons, or an error
message stating that the data collector could not connect to the receiver. If there is an error message, check connections
on the data card.
Click on the File Manager button to see what files are on the receiver’s card. The next screen contains a list of files and
their respective sizes.
At the bottom of the dialog, free memory is shown, along with a Delete button. If you are running low on memory, you
can delete files using this dialog box. To delete a file, click on the file from the list and select the Delete button. You
will then be asked to confirm that you wish to delete the file. You can also format the card here using the Format Card
button. This will destroy all the data on the card! Make sure you don’t need any of the data on the card before formatting
it. To exit this dialog, choose Exit.
Ashtech File Types & Logging Static for RTK Points
The Ashtech receivers log data into various files on the receiver during Log Static Data. These files are all contained in
a U-file, which is what the File Manager will list from the PC Card. When these files are decompressed on the
computer intended to do post processing (using the Ashtech Download program), they are split into the following files:
an almanac file, a B-file (raw data), a D-file (description and antenna information), an E-file (ephemeris data), and an S
-file (session information). D-files are created automatically from the antenna and site information.
FAST Survey creates O-files automatically on the data collector from receiver information. The O-file is named the
same as the coordinate file name, with an .obn extension, and placed in the data directory. This file is needed for GNSS
Studio, as it contains vector information. However, this information can only be added if the point stored has a GPS