77
Raw Data
Recording
A default raw data output exists, which you should not modify
unless you have specific needs. This output is made available
on port M, which, at user’s choice, stands for either the
receiver’s internal memory or a USB device (USB key or hard
disk). Port M is the port used to save the collected raw data
as a G-file.
This output consists of the following ATOM messages:
• PVT: Positioning results
• ATR: Attributes (antenna parameters, receiver
description)
• NAV: Satellite navigation information
• DAT: Raw navigation data
• RNX-0: Receiver observations
• OCC: Site occupation information
G-files can be processed in SPSO (Spectra Precision Office
Software) or by the RINEX converter utility.
When two antennas are used, note that by default, only PVT,
ATR and RNX-0 are recorded for the secondary antenna.
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