Novatel GNSS-750 User manual

GNSS-750
The GNSS-750 is an active antenna designed to receive signals
from the GPS, Galileo and GLONASS satellites as well as L-
band signals. This antenna is designed to operate for GPS L1/
L2/L2C/L5, GLONASS L1/L2/L3 and L-band frequency bands.
The GNSS-750 is also designed to operate for Galileo L1/E5a/
E5b and E6 frequency bands and receives Compass B1/B2/B3.
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-750:
• A sturdy pillar or mount with a 5/8" x 11 thread that
extends between 3/8" and 7/8" (9 mm and 22 mm)
• Coaxial cable with a male N connector
• A device with an antenna input port that both receives
the RF signal and provides 3.3 - 12.0 VDC to the
antenna1.
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 low as possible.
INSTALLING THE ANTENNA
After a site has been selected, install the antenna as follows:
1. Verify that the thread on the mount does not extend more
than 7/8" (22 mm) to ensure the antenna receptacle is not
damaged when the mount is inserted. If it extends further
than 7/8" (22 mm), add two jam nuts to shorten the exposed
thread, ensuring the nuts are well tightened.
2. Align the mount thread with the metal adapter on the bottom
of the antenna and rotate the antenna clockwise until it is
securely screwed to the mount.
3. Remove the dust cap from the antenna’s N connector.
4. Attach the male N connector of the coaxial cable to the
antenna’s N connector.
5. 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.
6. Radome NovAtel part number: 01018195
N to TNC adaptor accessory NovAtel part number:
21723240
ANTENNA CARE
The GNSS-750 is designed to withstand the elements, including
rain, snow, and dust. However, to ensure your antenna performs
optimally, keep the top surface and the choke rings of the
antenna clean and brush off any ice and snow. A radome is
recommended. In addition, ensure the N connector remains
clean and dry and replace the dust cap when a cable is not
connected.
ELEVATION GAIN PATTERNS
1. Most NovAtel GPS receivers provide the necessary power through
their antenna RF connectors. Check the applicable receiver user
manual for details.
USER GUIDE
Antenna Mount
Jam nuts
or flange
5/8 x 11
thread
"
3/8 - 7/8 9 - 22 mm"”( )
N connector
Coaxial
cable
Bias "T"
WAAS Reference Receiver: G - I I
Contrast
Coaxial
cable
LNA DC Power
SPECIFICATIONS
RF
3 dB pass band (typical) Upper:1525-1612 MHz
Lower:1164-1301 MHz
Out-of-band rejection (typical)
0 ∼ 900
900 ∼ 1002.5 MHz
1002.5 ∼ 1062.5 MHz
1062.5 ∼ 1102.5 MHz
1370 ∼ 1465 MHz
1410 ∼ 1440 MHz
1668 ∼ 1718.5 MHz
1718.5 ∼ 1798.5 MHz
1798.5 ∼ 1900 MHz
1900 ∼ 3000 MHz
80 dB
70 dB
50 dB
30 dB
30 dB
50 dB
30 dB
50 dB
70 dB
80 dB
Gain at zenith (θ = 90°) (min) +5 dBic
Gain roll-off (zenith to horizon) 10-15 dB
LNA gain (typical) 39 ± 3 dB
Polarization Right-hand circular
Noise figure (typical) 1.5 dB
Differential propagation delay
(maximum) 9 ns
Nominal impedance 50 Ω
VSWR ≤ 1.5 : 1
POWER
Input voltage 3.3 - 12 V
Current (typical) 70 mA
PHYSICAL
Diameter 380 mm (14.96")
Weight 7.6 kg (317.47 oz)
Height 200 mm (7.48”)
ENVIRONMENTAL
Operating temperature -55°C to +85°C (-67°F to +185°F)
Storage temperature -55°C to +90°C (-67°F to +194°F)
Salt spray MIL-STD-810F Method 509.4
Ingress protection IPX6 and IPX7
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MECHANICAL DRAWINGS PHASE CENTER
Please refer to the Mechanical Drawings on the previous panel
and the close-up of the label below before reading this section.
Height = Vertical phase center offset from antenna reference
point or antenna reference plane (ARP)
Only integer hardware revisions affect the phase center offsets. For
example, the numbers given for hardware revision 2.02 are applica-
ble to an antenna labelled H/W Rev: 2.00, 2.04, 2.12 and so on.
WARRANTY POLICY
NovAtel Inc. warrants that its Global Positioning System (GPS) 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 specifica-
tions 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.
H/W Rev: 1.00 P/N: 0101xxxx
MADE IN CANADA www.novatel.ca
NVH99999999
GPS-70x ANTENNA
Antenna model
Hardware Revision
In addition, the foregoing warranties shall not apply to products desig-
nated by NovAtel as beta site test samples, experimental, develop-
mental, 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 mainte-
nance 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. 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,
please return the defective product in the original packaging to avoid
damage.
Before shipping any material to NovAtel or Dealer, please obtain a
Return Material Authorization (RMA) number from the point of pur-
chase. You may also visit our website at http://www.novatel.com
and select Support | Repair Request from the menu.
WEEE NOTICE
If you purchased your GNSS-750 in Europe, please 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 natural resources prudently and rationally. Sustainable develop-
ment 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.
QUESTIONS OR COMMENTS
If you have any questions or comments regarding your
GNSS-750, please contact NovAtel Customer Service using one
of methods provided below.
Email: [e-mail]
Web: www.novatel.com
Phone: 1-800-NOVATEL (International)
403-295-4900 (U.S. & Canada)
Fax: [phone]
© Copyright 2008 NovAtel Inc. All rights reserved.
Unpublished rights reserved under international copyright laws.
Recyclable. OM-20000120 Rev 2 October 31, 2008
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