Additional Equipment Required

GPS-702-GG, GPS-701-GG and GPS-702-GG-N

USER GUIDE

The GPS-702-GG, GPS-701-GG and GPS- 702-GG-N are active antennas designed to operate at the following frequencies (in MHz):

GPS L1 (1575.42) and L2 (1227.60)

Glonass L1 (1598 - 1611.5) and L2 (1242.5 - 1254.3)

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

The equipment listed below is required to set up the GPS-702- GG, GPS-701-GG or GPS-702-GG-N antenna:

•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 plastic inside 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-tight- ened.

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. Using a wrench, tighten the adapter to the mount.

4.Attach the male TNC (or N-Type) connector of the coaxial cable to the antenna’s TNC connector (N-Type for GPS-702- GG-N).

Coaxial

cable

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. All NovAtel GPS receivers provide the necessary power through their antenna RF connectors.

ANTENNA CARE

The GPS-702-GG, GPS-701-GG and GPS-702-GG-N are designed to withstand the elements, including rain, snow, and dust. However, to ensure your antenna performs optimally, keep

SPECIFICATIONS

	RF
3 dB pass band (typical)	L1: 1588.5 ± 23.0 MHz
3 dB pass band (typical)	L2: 1236.0 ± 18.3 MHz
	L2: 1236.0 ± 18.3 MHz

Out-of-band rejection (typical)
± 100 MHz	30 dBc
± 200 MHz	50 dBc

θ	L1: +5 dBic	L2: +2 dBic
Gain at zenith ( = 90°) (min)
Gain roll-off (zenith to horizon)	L1: 13 dB	L2: 11 dB

LNA gain (typical)	27 dB

Polarization	Right-hand circular

Noise figure (typical)	2.5 dB

L1-L2 differential propagation	5 ns
delay (maximum)	5 ns
delay (maximum)

Nominal impedance	50 Ω

VSWR	≤ 2.0 : 1

•A mount, such as a range pole, tribrach, or tripod, with a 5/8" x 11 thread that extends between 3/8" and 7/8" (9 mm and 22 mm)

•A 1" open-end wrench

•Coaxial cable with a male TNC connector (N-Type con- nector for GPS-702-GG-N).

•A device with an antenna input port that both receives the RF signal and provides 4.5 - 18.0 VDC to the antenna (All NovAtel GPS receivers provide the neces- sary power through their antenna RF connectors.)

5/8" x 11

thread

Jam nuts or flange

Metal adapter

3/8" - 7/8" (9 - 22 mm)

Mount

the radome (top surface of the antenna) clean and brush off any ice and snow. In addition, ensure the TNC (or N-Type) connector remains clean and dry and replace the dust cap when a cable is not connected.

ELEVATION GAIN PATTERN

	POWER
Input voltage		4.5 - 18.0 VDC

Current (typical)		35 mA

	PHYSICAL
Diameter		185 mm (7.28")
Weight		500 g (17.6 oz)

	ENVIRONMENTAL
Maximum altitude		9000 m (29527.5 ft)

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

The metal adapter on the bottom of the antenna is fixed in place. Do not attempt to remove it.

3.Remove the dust cap from the antenna’s TNC connector (N- Type connector for GPS-702-GG-N).

702-GG only

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	Random: MIL-STD-202F Method
		214, Test Curve A
	Sine:	SAEJ1211, Section 4.7
Salt spray	MIL-STD-810F Method 509.4

Ingress protection	IPX6 and IPX7

GPS-701-GG, 702-GG, GPS-702-GG-N specifications

The Novatel GPS-702-GG-N, GPS-702-GG, and GPS-701-GG are advanced GPS receivers designed for high-precision applications in various fields such as agriculture, construction, and geospatial surveying. These devices are equipped with cutting-edge technologies that enhance their accuracy, reliability, and functionality, making them ideal for professionals who demand the best in GNSS capabilities.

The GPS-702-GG-N and GPS-702-GG models feature multi-frequency GNSS support, allowing them to receive signals from multiple satellite constellations including GPS, GLONASS, Galileo, and BeiDou. This capability significantly improves the accuracy of positioning data while ensuring reliable performance in challenging environments where signal obstruction may occur. In addition, the receivers utilize advanced algorithms for real-time kinematic (RTK) positioning, which provides centimeter-level accuracy, essential for applications that require precision.

One of the standout features of these devices is their robust design. They are built to withstand harsh environmental conditions, making them suitable for outdoor usage in various weather scenarios. The resilience of these receivers ensures longevity and consistent performance, even in remote locations.

Another key characteristic of the Novatel GPS-701-GG is its lightweight and compact form factor, making it highly portable. This model is particularly advantageous for fieldwork where mobility is a critical factor. Despite its small size, it does not compromise on functionality, offering extensive connectivity options for seamless integration with various devices and systems.

All three models support customizable settings and configurations, allowing users to tailor the devices to meet specific operational requirements. This flexibility is especially beneficial for specialized applications in scientific research and development, where precision is paramount.

Moreover, Novatel’s proprietary software solutions further enhance the capability of these receivers. Features such as RTK and post-processed kinematic (PPK) positioning can be employed to improve data accuracy and reliability. Additionally, these receivers can be easily integrated with other navigation systems, enhancing their versatility in dynamic operational environments.

In conclusion, the Novatel GPS-702-GG-N, GPS-702-GG, and GPS-701-GG represent the pinnacle of GPS technology, offering unparalleled performance, accuracy, and adaptability. Their advanced features make them essential tools for professionals who need reliable and precise positioning solutions in their work. Whether in agriculture, construction, or surveying, these devices provide the critical data necessary for success in modern applications.