ashtech Z-FX, Operation And Reference Manual

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78 Z-Surveyor & Z-FX Operation Manual
convention. The one exception are almanac files that are named ALMyy.ddd where
yy are the last two digits of the year and ddd is the day of the year.
• The first letter of each file name is the file type B, V, W, E, M, Y, S, C, or D.
• The next 4 characters of each file name is the SITE. If the user has not
entered a SITE during the course of the recording session then these 4
characters are replaced by underscores (“____”). In kinematic surveying it is
common to change the SITE many times during the recording session. The
SITE used for naming the session files is the LAST SITE entered during the
session.
• The next character indicates the session identifier. This field automatically
increments from A to Z when a new recording session is started. This field
begins at A for the files associated with the first recording session within a
particular work day directory, and increments to Z as more sessions are
created in the same directory. After 26 files are created the session identifier
resets back to A, and the first character of the year will change to A.
• The next two characters are the last two digits of the year (e.g. 97).
• The file extension is the day of the year (e.g. Jan. 1 is day 001; Dec. 31 is day
365).
D
ATA
M
ODES
There are three different modes that the receiver can record in. These modes are
referred as data modes or data types. Each mode records different types of data and
Figure 4.3: Z-Family File Naming Convention