Gistm Data Processing; 2.10 Additional Features For Real-Time Operation; 2.10.1 Controlling The Signal And Satellite Systems - Novatel GPStation-6 User Manual

2.9

GISTM Data Processing

The GPStation-6 CD includes sample C++ files that can be used to support custom code development
for decoding and processing the GISTM data. During initial evaluation of the product and data
analysis, the parsing utilities described above create ISMR summary files in .csv format. Post-
processing can then be done on the data using analysis software, such as Matlab or Microsoft Excel.

2.10 Additional Features for Real-time Operation

2.10.1 Controlling the Signal and Satellite Systems

The GPStation-6 allows the user to control which signals from which satellite systems are output in
the ISM logs. Refer to the ISMSIGNALCONTROL command, Section 4.2.5 on page 51 for details.
Example: ISMSIGNALCONTROL GLOL2CA ENABLE
Allows GLONASS L2 C/A phase to be included in ISMRAWOBS, ISMDETOBS and ISMREDOBS
logs.
Example: ISMSIGNALCONTROL GLOL2CA ENABLE ENABLE
Also allows GLONASS L2 C/A to be used to calculate TEC measurements between this and the
satellite's primary signal.

L2P(Y) scintillation measurements and observations are disabled by default.
L2P(Y) is an encrypted signal and is therefore tracked using a proprietary semi-codeless tech-
nique. This results in increased noise on the signal and therefore L2P(Y) measurements may
not be suitable for computing scinitillation phase and amplitude indices. L2P(Y) is however suit-
able for TEC computations and L2P(Y) TEC computations are enabled by default.
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Operation