Novatel 3GOXX16A4-XTR-1-1 Manual Do Utilizador
1
3GOXX16A4-XTR-1-1
OM-20000156
Rev 1
December 2013
ANTENNA GUIDE
The 3GOXX16A4-XTR-1-1 antenna is designed for airborne use, but works in any mobile application.
The 3GOXX16A4-XTR-1-1 is an active GPS antenna, 88.9 mm (3.5-inches) in diameter and operates at
the GPS L1 frequency of 1575.42 MHz and the GPS L2 frequency of 1227.60 MHz. The antenna is a
spherical radius molded radome that provides enhanced protection against rain and ice.
the GPS L1 frequency of 1575.42 MHz and the GPS L2 frequency of 1227.60 MHz. The antenna is a
spherical radius molded radome that provides enhanced protection against rain and ice.
The antenna includes the following:
•
internal 33 dB low noise amplifier
•
bias voltage from 2.5-24 V DC for operation
•
band pass filtering
•
DC bias provided through the coaxial connector
NovAtel offers optional coaxial cables of various lengths to connect the antenna and NovAtel GNSS
receivers.
receivers.
The 3GOXX16A4-XTR-1-1 is aircraft certified for navigation. This guide provides the basic information you
need to install and begin using your new antenna.
need to install and begin using your new antenna.
ADDITIONAL EQUIPMENT REQUIRED
•
A device with an antenna input port that both receives the RF signal and provides 2.5 - 24.0 VDC
to the antenna is required for the 3GOXX16A4-XTR-1-1. NovAtel GPS receivers provide the
necessary power through their antenna RF connectors.
necessary power through their antenna RF connectors.
•
Coaxial cable with a male TNC connector
INSTALLING THE ANTENNA
Both the input DC power and the output RF signal use a single coaxial cable connected to the unit's TNC
female connector.
female connector.
The antenna can be attached to a surface with a square, four bolt, 1.9-inch space mounting pattern as
shown in the Mechanical Drawings section of this guide. Four screws pass through the antenna housing.
shown in the Mechanical Drawings section of this guide. Four screws pass through the antenna housing.
To install the antenna:
1. Install the supplied o-ring into the groove on the antenna base.
2. Pre-drill and tap the mounting holes and drill the connector clearance hole on the mounting surface.
See the Mechanical Drawings section for mounting pattern details.
User-supplied o-ring grease can hold the o-ring in the groove during installation.