The GPS (Global Positioning System) operated by the U.S department of Defence and GLONASS operated by the
Russian Federation are a space-based navigation system formed from a network of satellites which determine the
position of a vehicle using signals from the 32 satellites that circle the earth. These satellites travel in known orbits that
allow a land based receiver to determine its own position in relation to each satellite from which it receives a signal.
The GPS antenna fitted to the machine receives continuous signals from the GPS satellites. Ground based GPS
receivers, at known locations across the country, receive the same signals. As their absolute location is known, they can
calculate the real time position and send a position correction signal. Geostationary satellites then return the correction
signal to the GPS receiver on the vehicle, and the correction can be applied to the received position.
The signals generated by GPS alone are not accurate enough for use in agriculture. Therefore, corrections must be
made to GPS signals to improve their accuracy. With these correction signals we refer to the system as DGPS
(Differential Global Positioning System).
There are two main DGPS correction services available today:
SBAS
The GPS (Global Positioning System)
operated by the U.S department of
Defence and GLONASS operated by
the SBAS-Satellite Based Augmentation
System,communicate difference via
geostationary satellite.
RTK
Real Time Kinematics, communicate
difference directly to the vehicle via
short wave radio from a local base
station.
MAXIMISE YIELDS, CONTROL INPUT
COSTS + OPTIMISE PROFITS
WHY GPS GUIDANCE? BENEFITS OF VEHICLE GUIDANCE
GIVE YOUR BUSINESS A COMPLETE AND FLEXIBLE GPS SOLUTION
From the enhanced productivity of lightbar guidance, to the pinpoint accuracy of fully integrated guidance, and the
valuable analysis of yield data, our Precision Land Management offering will help maximise yields, control input costs
and optimise profits.
REDUCE OPERATIONAL COSTS
The primary purpose of New Holland’s Precision Land
Management is to save fuel and input costs by ensuring parallel
passes when working either in straight lines, curves, pivots or on
undulating ground minimising skips and overlaps.
IMPROVE PRODUCTIVITY, EVEN IN DUSTY CONDITIONS
When planting, spraying, cultivating or harvesting in difficult
weather conditions or at night, the operator can focus on his task
without any risk of overlap or joining rows while driving faster.
HOW ACCURATE IS GPS?
An uncorrected GPS or GLONASS signal gives you position accuracy between 5 to 10 meters. This is more than
adequate for car navigation systems, but not accurate enough for vehicle guidance in agricultural applications, where
we need Pass-to-Pass and Year-to-Year accuracy and repeatability.
Pass-to-Pass accuracy measures the relative accuracy over a 15 minute interval. This is usually thought of as skip/
overlap from one pass to the next when driving swaths. A New Holland receiver with pass-to-pass accuracy of
+/-2.5 cm means you get less than +/-2.5 cm skip or overlap, 95% of the time.
Year-to-Year accuracy is the measure of repeatable accuracy which means that you can drive the same rows a day,
week, month, or year later. So, +/- 2.5 cm year-to-year accuracy means you can drive the same rows next year within
+/- 2.5 cm of this year’s rows, 95% of the time.
INCREASE OPERATOR’S COMFORT
Operators using guidance solutions often report “being less
fatigued and stressed” as one of the fundamental advantages of
precision farming, leading to increased work rates and
efficiency.
CONTROLLED TRAFFIC FARMING PRACTICES
With RTK enabled New Holland guidance systems the practice
of Controlled Traffic Farming can be adopted, leading to a
significant reduction in field compaction improving overall yields.
CHOOSE A SIMPLE AND VERSATILE SOLUTION
For your new purchases of New Holland Machines, we offer factory installed fully integrated guidance solutions.
For all makes and models of equipment of your existing fleet, we provide a full range of leading aftermarket solutions for
GPS-based guidance, from entry-level to high end.
Regardless of your farm operation, the brands of your machines and your budget, this precision farming brochure will
help you determine which system is right for you.
4 5
NEW HOLLAND PLM –
THE COMPLETE, FLEXIBLE GPS SYSTEM
FOUR LEVELS OF ACCURACY
1. AUTONOMOUS WITH ONPATH FILTER
For Autonomous systems only, utilising mathematical filters to
increase the system accuracy. The OnPath filter provides +/-3045cm pass to pass accuracy without the use of a correction
signal.
2. OMNISTAR VBS (SINGLE FREqUENCY CORRECTION)
The vehicle with a DGPS antenna receives signals from the GPS
satellite constellation.
The OmniSTAR® services, which have a number of ground based
GPS receivers spread across the area for which they deliver a
correction, receive the same GPS messages as the vehicle. They
are able to calculate the real time position error and send this as
a message to control stations, which then upload the message to
a geostationary satellite. The geostationary satellite receives the
correction message, and re-transmits it as a single frequency
signal back to the receiver on the vehicle.
3. DIFFERENTIAL GPS WITH OMNISTAR®
(DUAL FREqUENCY CORRECTION)
Process as per OmniSTAR VBS.
On this higher accuracy system, the geostationary satellite,
transmits the correction message as a dual frequency signal back
to the receiver on the vehicle.
4. RTK (REAL TIME KINEMATIC)
This is a highly precise technology that results in +/-2.5 cm
year-to-year accuracy.
This accuracy can be achieved with two communication
technologies, depending upon your needs in terms of working
area coverage:
RTK (RADIO TRANSMISSION)
RTK uses a local ground based station which receives the same position data as the mobile unit. By comparing the
received position to its known actual position, the real time error can be calculated. This error is then transmitted via
short wave radio to the mobile unit.
Radio repeaters can be positioned to fill in any areas of signal loss from the base station. Signal loss could be caused
by rugged terrain or thick vegetation.
Accuracy level Pass to Pass Year to Year
OnPath +/-30cm +/-90cm
OmniSTAR® VBS* +/-20cm +/-60cm
OmniSTAR® XP* +/-7cm +/-12cm
OmniSTAR® HP* +/-5cm +/-10cm
RTK +/-2.5cm +/-2.5cm
*Information from OmniSTAR®
HOW TO CHOOSE YOUR
GUIDANCE SOLUTION
RTK
+/-2.5 cm
OnPath OmniSTAR® XP OmniSTAR® HP pass-to-pass
+/-30 cm +/-7 cm +/-5 cm and year-to-year
Enhance your guidance package by upgrading to the EZ-Steer® assisted steering system, which delivers an excellent
hands free solution.
MANUAL GUIDANCE WITH LIGHTBAR
The entry level guidance solution allows you to explore GPS guidance through a simple and affordable lightbar display.
A lightbar based guidance system provides you with quick on-line visual feed back to keep you on your intended path.
The lightbar assists you with the direction and how much manual steering is required. A manual guidance system
provides a less expensive option, ideal for most applications and minimises the investment required.
EZ-GUIDE 250
The EZ-Guide® 250 is a simple and affordable, user friendly tool offering you an accuracy of +/-20 cm pass-to-pass.
The built in OnPath® filter technology provides improved pass-to-pass accuracy. The EZ-GUIDE 250 is compatible with
all makes and models.
FREEFORM™ GUIDANCE
PATTERN
11 CM COLOUR SCREEN
Choose between plan and 3D
perspective views, to see at a
glance where you are and
what you’ve been doing.
Offers the ultimate in guidance
flexibility, allowing you to work in
different patterns and shapes that
best fit your field’s layout and
contours.
EZ-Steer® is the world’s simplest portable hands-free farming system for all vehicle models, old and new.
The EZ-Steer® system turns the steering wheel for you by combining a friction wheel and a motor thanks to a DGPS
guidance signal from the EZ-Guide® 250, FM-750™ or FM-1000™ displays.
While the EZ-Steer® keeps you on line on undulating land, ditches, waterways and terraces, you can focus on many
different tasks, such as sprayer or planter performance, improving job quality and crop yields while reducing stress.
EZ-STEER® MOTOR
The EZ-Steer® motor receives electrical signals from the
EZ-Steer® controller and converts them to precise
commands that the vehicle’s steering system uses to keep
the vehicle on track.
You can resume the control of your machine at anytime by
turning the steering wheel.
EZ-STEER® CONTROLLER
Using data from the GPS receiver, the EZ-Steer® controller
sends precise instructions to the steering wheel motor. T2™
technology continually corrects for roll and yaw by using
4-axis solid state inertial sensors to give you a true
on-ground position.
NIGHT OR DAY USE
Switch to Night Mode for
better visibility. Mark and
locate in-field hazards with
feature mapping.
Find easily the next path
with SwathFinder
assistance.
FIELDFINDER TECHNOLOGY
Automatically locate stored fields
as you drive near them.
15 BRIGHT
GUIDANCE LEDS
Give you quick
on-line visual
feedback to keep
you on track
USB FLASH DRIVE
Simply transfer your day’s
coverage maps to your computer
using a USB flash drive and easily
print out coverage reports import/
export fields and coverage
maps via USB.
Position without
terrain compensation
COMPATIBLE DISPLAYS
EZ-GUIDE 250
FM-750
FM-1000
GPS receiver
Position corrected
TM
by T2 technology
Roll angle
T2™ TERRAIN COMPENSATION TECHNOLOGY
Terrain compensation technology calculates the difference
between the DGPS antenna’s location and the desired
“working position” of the vehicle’s centre point on the
ground. No matter what angle the vehicle may be tilting, it
improves accuracy when driving on flat ground with rough
terrain and accuracy on slopes, hills and when driving over
terraces, ditches and waterways.
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