Novatel GNSS-303L User Manual

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GNSS-303L

GM-14915164

Rev 2

March 2018

USER GUIDE

The GNSS-303L antenna is designed for airborne use, but it will operate in any mobile application.

The GNSS-303L is an active GNSS antenna, 89.6 mm (3.53”) in diameter, and designed to receive GPS,

GLONASS, Galileo, BeiDou, NavIC and L-Band signals. Its mechanical configuration is a spherical radius

molded radome which provides enhanced protection against rain and ice. Its connector offset is based on

NovAtel’s GPS-511 antenna. The GNSS-303L antenna includes the following:

• internal 26 dB low noise amplifier

• bias voltage from 3.8 – 6.0 VDC for operation

• band pass filtering

• DC bias provided through the coaxial connector

NovAtel offers optional coaxial cables of various lengths and models for interconnecting between the

antenna and NovAtel GNSS receivers.

This guide provides the basic information you 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 3.8 to 6.0 VDC to

the antenna is required to set up the GNSS-303L. (NovAtel GNSS receivers provide the 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 flow over a single coaxial cable that is connected to the

antenna's TNC female connector.

The antenna can be attached to a surface by means of a square, 4 bolt, 1.9 inch space mounting pattern

as shown in the Mechanical Drawings section of this guide.

The integrator of this antenna is responsible for ensuring antenna installation meets all the

overall integrated system requirements.

Refer to Section 307 of

www.faa.gov/documentLibrary/media/Advisory_Circular/

AC%2043.13-2B.pdf

for information about antenna bonding in aircraft applications.

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Summary of GNSS-303L

Page 1
1 gnss-303l gm-14915164 rev 2 march 2018 user guide the gnss-303l antenna is designed for airborne use, but it will operate in any mobile application. The gnss-303l is an active gnss antenna, 89.6 mm (3.53”) in diameter, and designed to receive gps, glonass, galileo, beidou, navic and l-band signals...
Page 2
2 four screws pass through the housing of the antenna. Install the antenna as follows: 1. The antenna is supplied with an o-ring. Place it in the o-ring groove of the antenna base. 2. Drill and tap the mounting holes and drill the connector clearance hole on the surface, see the mechanical drawings ...
Page 3: Antenna Care
3 6. Attach the other end of the coaxial cable to the antenna input port of the receiving device, which must provide power as detailed in the specifications section of this guide. All novatel gnss receivers provide the necessary power through their antenna rf connectors. The graphics above show exam...
Page 4: Specifications
4 specifications rf operational band (typical) gps l5 1176.45 ±12 mhz galileo e5, e5a e5b 1164.45 - 1219.14 mhz navic l5 1176.45 ±15 mhz gps l2 1227.60 ±10 mhz beidou b2 1207.14 ±12 mhz glonass l2 1237.83 – 1253.63 mhz galileo e6 1266.75 - 1290.75 mhz beidou b3 1268.52 ±10 mhz l-band 1525 – 1560 mhz...
Page 5: Mechanical Drawings
5 mechanical drawings square bolt pattern followed by [mm] and denotes diameter dimensions are in inches.
Page 6: Weee
6 weee if you purchased a gnss-303l antenna in europe, return it to your dealer or supplier at the end of its life. The objectives of the european community's environment policy are, in particular, to preserve, protect and improve the quality of the environment, protect human health and utilise natu...
Page 7: Questions Or Comments
7 questions or comments if you have any questions or comments, please log a support request with novatel customer support using one of the following methods: log a case and search knowledge: website: www.Novatel.Com/support log a case, search knowledge and view your case history: (login access requi...