SX BLUE GPS iSXblue II+ GNSSTM, User Manual

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SXblue Series User Manual 22
one to another and can be set to input or output different messages at different
rates (NMEA, Binary, Differential correction). Minimum sentences are activated by
default on the Serial port, as it is often used with radios for Base/Rover RTK
operations, this port can be set for specific use. Refer to Technical Reference
Manual for more details on NMEA messages.
Table 1-4 Default Parameters
Max DGPS
Age From 3D to 2D Elevation
Mask
Modes SBAS
Tracking Decimal
3600
seconds When PDOP >
10.5
10
°
SBASR, Mixed,
Forest, Base,
Fixloc, Glofix,
Suretrack Automatic 7 decimal
digits
Because of the unique technology used on-board the SXblue receiver, the
maximum DGPS age can be set to 3600 seconds. Once the SXblue receiver loses
its differential correction source, the output will remain sub meter for the next 30-
40 minutes. See chapter 2 for more information. For RTK operation, the receiver
will maintain a fixed solution for 60 seconds after losing the RTK source; then it will
“float” for an extra 2 minutes and finally will default to the next available source of
differential correction available (L-Band, SBAS, None, etc). SXblue Platinum will
keep longer RTK solution (5 minutes) using special aRTK and Tracer technology.
The receiver is set to switch from 3D mode to 2D mode when there are less than
4 satellites or when the PDOP value exceeds 10.5. It is usually up to the user
software to allow or restrict 2D mode operation, but this setting can be changed on
the receiver (see Technical Reference Manual).
The satellite elevation mask is set to 10 degrees by default. All satellites below this
value will not be used in the solution.
For the various Modes listed in the table, please refer to the Technical Reference
Manual.
SBAS tracking is set to Automatic and the number of decimal digits used (in the
coordinates of the GGA sentence for example) is set to 7.
1.3.2 Configuring Bluetooth Communication
There are many Bluetooth drivers available on the market today for Pocket PC,
Smartphone, Tablet, Laptop, and also for regular computers with standard
Microsoft Windows operating systems, Windows Mobile, Android or iOS.