User's Manual

Page7
3.4. SYSTEINSTALLATION
3.4.1 SUPPORTEDGNSS
ANTENNAS
CHC recommends the use of the CHC A220GR GNSS Antenna or CHC
C220GRGNSSChokeRingwiththeP3EGNSS Receive
OtherGNSSantennasmayhoweverbe usedensuringthattheantenna
receive the proper GNSS frequencies and operates at either 3.3V or
7.1Vwithasignalgreaterthan40dBattheantennaport.
3.4.2 INSTALLINGTHEANTENNAS
Choosing the correct location for the GNSS antenna is critical to the
installation. Poor or incorrect placement of the antenna can influence
accuracy and reliability and may result in degraded performances
normaloperation.
Followtheseguidelinestoselecttheantennalocation:
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Iftheapplicationismobile/kinematic,placetheantennaonaflat
surfacealongthecenterlineofthevehicle.
•
Choose an area with open view to the sky and far from metallic
objects.
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Avoid areas with high vibration, excessive heat, electrical
interferenceorstrongmagneticfields.
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Avoid mounting the antenna close toelectrical cables, metal
mastsandgenerallyclosetootherantennas.