Novatel GPS-302L-A User Manual

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GPS-302L-A

GM-14915161

Rev 2

March 2018

USER GUIDE

The GPS-302L-A is an active antenna designed to operate at the GPS L1 and L2 frequencies, 1575.42

and 1227.60 MHz, GLONASS L1 1592.95 – 1610.38 MHz frequencies and across the L-Band from 1525

to 1560 MHz. This guide provides the information needed to install and use the 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 GPS-302L-A. (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 connected to the

antenna's TNC female connector.

The antenna is attached to a surface by means of an ARINC-743 Bolt Pattern.

Four screws pass through the housing of the antenna.

Install the antenna as follows:

1. Place the o-ring into the groove on the antenna base (o-ring supplied).

2. Drill the mounting holes and the connector hole on the surface. Refer to the Mechanical Drawings

section of this guide for details on the ARINC-743 mounting pattern.

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.

User-supplied o-ring grease can be used to hold the o-ring in the groove during installation.

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Summary of GPS-302L-A

Page 1
1 gps-302l-a gm-14915161 rev 2 march 2018 user guide the gps-302l-a is an active antenna designed to operate at the gps l1 and l2 frequencies, 1575.42 and 1227.60 mhz, glonass l1 1592.95 – 1610.38 mhz frequencies and across the l-band from 1525 to 1560 mhz. This guide provides the information needed...
Page 2
2 3. Attach the antenna to the surface using the four mounting screws supplied. The o-ring will compress and create a seal between the surface and the antenna. Ref. # description 1 antenna 2 countersink screws 3 mounting surface 4 o-ring 5 drilled mounting holes 4. Remove the dust cap from the anten...
Page 3: Antenna Care
3 6. Attach the other end of the coaxial cable to the antenna input port of the receiving device. The receiving device must be able to provide power as detailed in the specifications section of this guide. All novatel gnss receivers provide the necessary power through their antenna rf connectors. Th...
Page 4: Specifications
4 specifications rf operational band (typical) l1: 1575.42 ±10 mhz l2: 1227.60 ±10 mhz lb: 1525 – 1560 mhz gain at zenith ( = 90°) (min) l1: +4.1 dbic l2: +3.9 dbic lb: +5.7 dbic lna gain (typical) l1: 26 db l2: 30 db polarization right-hand circular noise figure (typical) 3 db nominal impedance 50 ...
Page 5: Mechanical Drawings
5 mechanical drawings arp dimensions are in inches followed by [mm] height 0.788” [20.00].
Page 6: Phase Center
6 phase center please refer to the mechanical drawings before reading this section. Height = vertical phase center offset from antenna reference point or antenna reference plane (arp), see the mechanical drawings section of this guide. For relative offset numbers and phase center variation (pcv) tab...
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...