Novatel GNSS-501 Manual de usuario

GNSS 501 & GNSS-502

Antennas

GM-14915144 Rev 2 March 2016

USER GUIDE

The GNSS-501 and GNSS-502 are active antennas designed to receive signals from GPS, GLONASS,

BeiDou and Galileo satellites as well as L-Band signals.

The GNSS-501 antenna is designed to operate in GPS L1, GLONASS L1 and L-Band frequencies. The

GNSS-501 also supports Galileo E1 frequency and the BeiDou B1 frequency.

The GNSS-502 antenna is designed to operate in GPS L1/L2, GLONASS L1/L2 and L-Band frequencies.

The GNSS-502 also supports the Galileo E1 and E5b frequencies as well as BeiDou B1 and B2

frequencies.

This guide provides the basic information you need to install and begin using your new antenna.

ADDITIONAL EQUIPMENT REQUIRED

The following equipment is required to set up the GNSS-501 or GNSS-502 antenna:

• Coaxial cable with a male TNC connector

• A device with an antenna input port that both receives the RF signal and provides 3.3 - 18.0 VDC to the

antenna (all NovAtel GNSS receivers provide the necessary power through their antenna RF

connectors)

SITE SELECTION GUIDELINES

Before installing the antenna, select a site that as closely as possible meets the following conditions for

optimal performance:

• An unobstructed line-of-sight from horizon to horizon and at all bearings and elevation angles

• As far as possible from reflective objects, especially those that are above the antenna and any water

bodies, which can be a strong source of multipath reflections

• If obstructions and reflective surfaces are within 30 m, ensure the site is as high as possible. Otherwise,

mount the antenna as close as possible to a reference ground plane, i.e., rooftop, earth, etc., if one

exists.



To avoid potential adverse effects, do not locate antennas near any high

sources of heat.

INSTALLING THE ANTENNA

After a site has been selected, install the antenna as follows:

1. Mount the antenna on a secure, stable structure using the provided magnetic mounts. A surface

mounting plate (NovAtel P/N 01018317) is also available for mounting on non-magnetic surfaces.

2. Attach the TNC connector of the coaxial cable to the antenna’s TNC connector. 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.

MECHANICAL DRAWING

TNC connector

Dimensions are in millimeters.

MOUNTING PLATE (NOVATEL P/N 01018317)

ANTENNA CARE

The GNSS-501 and GNSS-502 are designed to withstand the elements, including rain, snow, and dust.

However, to ensure your antenna performs optimally, keep the radome (the top surface of the antenna)

clean and brush off any ice and snow.



The optimal screw penetration into the mounting holes is 6 mm (±1 mm) deep. When selecting

screws for mounting, ensure the screw penetration does not exceed this specification. Using

excessively long screws can damage the antenna enclosure.



Two magnetic mounts also available on

the bottom of the antennas.

Dimensions are in inches.

SPECIFICATIONS

Table 1: Radio Frequency Specifications

Table 2: Power Specifications

Pass band (typical)

GNSS-501 GNSS-502

Upper GNSS Band:

1588.5 ± 23.0 MHz

L-Band 1545.0 ± 20.0 MHz

Upper GNSS Band:

1588.5 ± 23.0 MHz

Lower GNSS Band:

1207.0 ± 44.0 MHz

L-Band 1545.0 ± 20.0 MHz

Out-of-band rejection (typical)

band edges ± 50 MHz

band edges ± 100 MHz

15 dB (typical)

25 dB (typical)

15 dB (typical)

25 dB (typical)

Gain at zenith (= 90°) (min)

L1/B1/E1/G1: +4.0 dBic

L-Band: +4.0 dBic

L1/B1/E1/G1: +4.0 dBic

L2/B2/G2/E5b: +4.0 dBic

L-Band: +4.0 dBic

Gain roll-off (zenith to horizon) L1/B1/E1/G1/L-Band

12 dB

L1/L2/B1/B2/E1/G1/G2/L-Band

12 dB

LNA gain (typical) 29 dB

Polarization Right-hand circular

Noise figure (typical) 2.5 dB typical

L1-L2 differential propagation delay

(maximum)

-7ns

Nominal impedance 50 

VSWR 2.0 : 1

Input voltage 3.3 - 18.0 VDC

Current (typical) 20 mA

Table 3: Environmental Specifications

Table 4: Physical Specifications

Operating temperature -40°C to +85°C (-40°F to +185°F)

Storage temperature -55°C to +85°C (-67°F to +185°F)

Vibration (operating) Random: MIL-STD-810G(CH1), 514.7 Annex E Procedure 1, Category 24

Salt Fog MIL-STD-810G(CH1), 509.6

Shock MIL-STD-810G(CH1), 516.7 (40 g) Procedure 1

Bump IEC 68-2-27 Ea (25 g)

Water Resistant IP67, IP69K

Diameter 155 mm (6.10")

Weight 450 g (15.88 oz)

WARRANTY POLICY

NovAtel Inc. warrants that its Global Navigation Satellite System (GNSS) products are free from defects in

materials and workmanship, subject to the conditions set forth below, for the following periods of time:

GPSAntenna™ Modules: One (1) Year

Cables and Accessories: Ninety (90) Days

Date of sale shall mean the date of the invoice to the original customer for the product. NovAtel's

responsibility respecting this warranty is limited solely to product repair at an authorized NovAtel location

only. Determination of repair will be made by NovAtel personnel or by technical personnel expressly

authorized by NovAtel for this purpose.

The foregoing warranties do not extend to

(i) nonconformities, defects or errors in the products due to accident, abuse, misuse or negligent use of

the products or use in other than a normal and customary manner, environmental conditions not

conforming to NovAtel’s specifications, or failure to follow prescribed installation, operating and

maintenance procedures,

(ii) defects, errors or nonconformities in the products due to modifications, alterations, additions or

changes not made in accordance with NovAtel’s specifications or authorized by NovAtel,

(iii) normal wear and tear,

(iv) damage cause by force of nature or act of any third person,

(v) shipping damage; or

(vi) service or repair of product by the dealer without prior written consent from NovAtel.

In addition, the foregoing warranties shall not apply to products designated by NovAtel as beta site test

samples, experimental, developmental, preproduction, sample, incomplete or out of specification products

or to returned products if the original identification marks have been removed or altered.

The warranties and remedies are exclusive and all other warranties, express or implied, written or oral,

including the implied warranties of merchantability or fitness for any particular purpose are excluded.

NovAtel shall not be liable for any loss, damage or expense arising directly or indirectly out of the

purchase, installation, operation, use or licensing or products or services. In no event shall NovAtel be

liable for special, indirect, incidental or consequential damages of any kind or nature due to any cause.

There are no user-serviceable parts in the GPS Antenna and no maintenance is required. If the unit is

faulty, replace with another unit and return the faulty unit to NovAtel Inc. You must obtain a RETURN

MATERIAL AUTHORIZATION (RMA) number by calling NovAtel Customer Service at 1-800-NOVATEL

(U.S. and Canada only) or 403-295-4900 before shipping any product to NovAtel or a dealer. You may also

contact Novatel Customer Service by email at support@novatel.com. Once you have obtained an RMA

number, you will be advised of proper shipping procedures to return any defective product. When returning

any product to NovAtel, return the defective product in the original packaging to avoid damage.

WEEE NOTICE

If you purchased your GNSS-501 or GNSS-502 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 utilize natural resources

prudently and rationally. Sustainable development advocates the reduction of wasteful consumption of

natural resources and the prevention of pollution. Waste electrical and electronic equipment (WEEE) is a

regulated area. Where the generation of waste cannot be avoided, it should be reused or recovered for its

material or energy. WEEE products may be recognized by their wheeled bin label ( ).1

CE MARKING

The GNSS-501 and GNSS-502 antennas are CE marked to demonstrate compliance with the following

European Union (EU) Directives:

• 2011/65/EU – Restriction of Hazardous Substances (RoHS)

• 1999/5/EC – Radio and Telecommunications Terminal Equipment (R&TTE)

FCC

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

(1) this device may not cause harmful interference, and (2) this device must accept any interference

received, including interference that may cause undesired operation.

INDUSTRY CANADA

This device complies with CAN ICES-003(B) / NMB-3 (B).

PATENT NOTICE

The GNSS-501 and GNSS-502 are manufactured and protected under U.S. Patents #14/331,948 (patent

pending).

QUESTIONS OR COMMENTS

If you have any questions or comments regarding your GNSS-501 or GNSS-502 antenna, contact NovAtel

Customer Service using one of methods provided below.

Email: support@novatel.com

Web: www.novatel.com

Phone: 1-800-NOVATEL (International)

403-295-4900 (U.S. & Canada)

Fax: 403-295-4901

1. See www.novatel.com | Products | WEEE and RoHS for more information.

Unpublished rights reserved under international copyright laws.

Recyclable.

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