Serie A
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Low-Power
Solution
Thales Navigation has combined its proven
precision GPS positioning technology and high-performance OEM
expertise to develop the low-cost A12TM OEM board.
About half the size of a business card, A12 incorporates
several features traditionally associated with high-end GPS
receivers, making it the preferred choice for system
integrators and OEM providers. Using unique software
algorithms and the latest GPS technology, Thales Navigation
has optimized A12 for fleet management, vehicle tracking,
mobile data terminals, car navigation, telematics, and
handheld computing. A12 supports differential remote operation
and is capable of tracking Satellite Based Augmentation
Systems (SBAS – WAAS/EGNOS/MSAS) satellites to provide precise
DGPS positioning. The A12 OEM board has the same dimensions
and interface as its predecessor, the G8TM
OEM board, but consumes only 0.23 watts of
power.
Innovative Features
The A12 OEM board,
from Thales Navigation, has been designed to minimize the
impact of common mobile application challenges such as
satellite visibility obstruction and GPS signal multipath
found in urban canyons and other extreme environments. A12
utilizes advanced satellite reacquisition techniques, enabling
the unit to reacquire a satellite, previously hidden from
view, in less than one second after reappearing. With
capabilities like these, you can rest assured that A12
delivers reliable, consistent position reports under the
toughest conditions.
Compatibility
A12 OEM
board is hardware compatible with the G8 OEM board. A12 has
the same dimensions, mounting holes, and identical I/O
connector pin-out as G8. A12 is available enclosed in a shield
case with I/O connector for cable interface, or without a
shield case with stackable I/O connector and miniature RF
connector. A12 is also available in a rugged sensor enclosure
for easy evaluation.
Evaluation and Development
Kit
The A12 Evaluation and Development Kit for system
integrators and OEM developers is available to assess A12
performance, begin development, and fully incorporate A12 into
your application. It includes an A12 housed in a rugged
enclosure, antenna, cables, and everything you need to
integrate A12, including the Windows-based
EvaluateTM software. Use the kit with confidence to
prove the power and productivity of A12 in all your GPS mobile
applications.
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Raw GPS
carrier phase measurements is a standard feature of the new
AC12TM OEM board from Thales Navigation, a world
leader in GPS+SBAS technology. Built on over a decade of
experience developing OEM GPS solutions and an expertise in
carrier phase technology, the AC12 provides precise carrier
phase output. A cost-efficient solution for your
high-precision applications where small form factor and low
power consumption are critical, the AC12 is the ultimate OEM
GPS board.
Highly Accurate and Flexible
The
carrier phase measurements provided by the AC12 deliver the
high-accuracy and flexibility that has previously been
considered cost-prohibitive in many solutions. This extremely
accurate carrier phase data can be used for navigation and
tracking, providing a clear advantage in a variety of
applications. AC12 flexibility enables you to apply your
choice of carrier smoothing algorithms to improve the
pseudorange positioning accuracy and even perform
carrier-phase differential positioning. The AC12 receiver is
compatible with GrafNavTM
software.
Innovative Satellite Tracking
The
AC12 supports differential remote operation and is capable of
tracking Satellite Based Augmentation System (SBAS
–WAAS/EGNOS/MSAS) satellites to enable enhanced DGPS
positioning free-of-charge. This next-generation design
minimizes the impact of common mobile application challenges
such as skyward obstructions and mitigates GPS signal
multipath. Superior signal reacquisition techniques ensure
position availability and reliability.
The
Cost-Efficient Solution
For many applications such as
agriculture, GIS, mapping and more, the AC12 provides
high-performance GPS at a fraction of the cost of other
premium alternatives. A field-proven design built on Thales
Navigation’s world-class GPS engineering, the AC12 OEM board
is also ideal for land and marine navigation, low-cost heading
and attitude systems,
deformation monitoring, asset and
personnel tracking, relative navigation, automotive, military,
and even golf course management. Delivering reliable,
consistent positioning and raw data, including carrier
phase
measurements under the toughest conditions, the AC12
provides a package of standard features to answer most GPS OEM
challenges.
AC12 Offers a Range of Additional
Features:
- Low power consumption – only 0.23 watts
- User-defined and pre-defined datums
- Two-way serial port communications
- Raw data output (code and carrier)
- Precise carrier-phase tracking
- 1PPS output accurate to better than 250 nanoseconds
- Same form factor and interface as the A12TM
OEM board
- Also available in a rugged sensor or as a Development
Kit
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Serie B
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Low-Power
Solution
Thales Navigation has combined its proven
precision GPS positioning technology and high-performance OEM
expertise to develop the low-cost B12TM OEM board.
About two-thirds the size of a business card, B12 incorporates
several features traditionally associated with high-end GPS
receivers, making it the preferred choice for system
integrators and OEM providers. Using unique software
algorithms and the latest GPS technology, Thales Navigation
has optimized the B12 for fleet management, vehicle tracking,
mobile data terminals, car navigation, telematics, and
handheld computing. The B12 supports differential remote
operation and is capable of tracking Satellite Based
Augmentation Systems (SBAS – WAAS/EGNOS/MSAS) satellites to
provide precise DGPS positioning.
Innovative
Features
The B12 OEM board, from Thales Navigation, has
been designed to minimize the impact of common mobile
application challenges such as satellite visibility
obstruction, GPS signal multipath, and power consumption. The
B12 utilizes advanced satellite reacquisition techniques,
enabling the unit to reacquire a satellite, previously hidden
from view, in seconds after reappearing. With capabilities
like these, you can rest assured that the B12 delivers
reliable, consistent position reports under the toughest
conditions.
Easy to Integrate
The B12 is
designed to minimize the effort in integrating GPS with other
applications by utilizing industry standard NMEA 0183
messages. Easy to use commands provide a simple way to setup
the receiver for a broad range of outputs. The B12 board has a
standard SMB RF connector and supports an 8-pin I/O connector
that can plug right into your motherboard for easy assembly.
The B12 boards have low profile RF shields for protection
against EMI and RFI. The B12 board can replace the Trimble
Lassen SKII in any system. It has the same dimensions,
mounting holes, and identical I/O connector pin-out as
SKII.
Development Kit
The B12 Development Kit
for system integrators and OEM developers is available to
assess B12 performance, begin development, and fully
incorporate B12 into your application. It includes a B12
housed in an easy-to-use enclosure, antenna, cables, and
everything you need to evaluate the B12 and begin development,
including the Windows-based EvaluateTM software.
Use the kit with confidence to prove the B12 ’s power and
productivity in all of your GPS mobile application needs.
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Serie C
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The
Ashtech® CP14TM, from Thales Navigation,
is the new generation 14-channel sub-meter GPS receiver. CP14
is designed for high-end integration. With 14 GPS L1 code and
carrier channels, it can output position and raw data
including code and carrier phase measurements at 1Hz for
real-time positioning and navigation applications. The CP14
incorporates advanced algorithms for better signal tracking
and offers Ashtech Edge CorrelatorTM technology for
multipath mitigation and better accuracy in shady environment.
It also features improved in-band and out-of-band interference
rejection capabilities. With all these features, CP14 consumes
only 1.2W of power and can also be programmed for sleep mode
operation. The CP14 also features session programming for
additional power management. While the CP14 offers two
standard duplex RS232 ports, it is capable of single port
operation; one serial port can do it all.
For best
performance, the CP14 can be configured to use Kalman filter
with user selectable dynamic modes such as walking, ship,
aircraft, and adaptive, whatever is required to match the
operating conditions. CP14 also offers a wide array of
coordinate transformation options. The CP14 is designed to
withstand harsh operating conditions such as high vibration
and shock. It is capable of tracking satellites and outputting
position/velocity accurately up to 20Gs acceleration. The CP14
receiver is also available in a compact rugged sensor
housing.
Compatibility
CP14 supports the
standard Ashtech serial interface for easy and smooth
upgrades.
Evaluate Software
Ashtech
EvaluateTM software is available with the CP14 and
provides visual displays of satellite information, receiver
position and velocity as well as data logging and analysis. It
also allows for direct communication with the receiver.
Compatible with all Ashtech receivers, Evaluate runs on
Windows 3.x and Windows 95/98/NT platforms.
Take it
for a Test-Drive
The CP14 OEM board and sensor are
available in a Development Kit. The CP14 Development Kit
includes a fully loaded CP14 receiver with all necessary
accessories and enables you to perform a comprehensive
test-drive. It contains a CP14 GPS receiver, the Evaluate
software, power supply, ready-made interface cables, antenna,
and manuals.
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Serie D
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The
Ashtech® CP14TM, from Thales Navigation,
is the new generation 14-channel sub-meter GPS receiver. CP14
is designed for high-end integration. With 14 GPS L1 code and
carrier channels, it can output position and raw data
including code and carrier phase measurements at 1Hz for
real-time positioning and navigation applications. The CP14
incorporates advanced algorithms for better signal tracking
and offers Ashtech Edge CorrelatorTM technology for
multipath mitigation and better accuracy in shady environment.
It also features improved in-band and out-of-band interference
rejection capabilities. With all these features, CP14 consumes
only 1.2W of power and can also be programmed for sleep mode
operation. The CP14 also features session programming for
additional power management. While the CP14 offers two
standard duplex RS232 ports, it is capable of single port
operation; one serial port can do it all.
For best
performance, the CP14 can be configured to use Kalman filter
with user selectable dynamic modes such as walking, ship,
aircraft, and adaptive, whatever is required to match the
operating conditions. CP14 also offers a wide array of
coordinate transformation options. The CP14 is designed to
withstand harsh operating conditions such as high vibration
and shock. It is capable of tracking satellites and outputting
position/velocity accurately up to 20Gs acceleration. The CP14
receiver is also available in a compact rugged sensor
housing.
Compatibility
CP14 supports the
standard Ashtech serial interface for easy and smooth
upgrades.
Evaluate Software
Ashtech
EvaluateTM software is available with the CP14 and
provides visual displays of satellite information, receiver
position and velocity as well as data logging and analysis. It
also allows for direct communication with the receiver.
Compatible with all Ashtech receivers, Evaluate runs on
Windows 3.x and Windows 95/98/NT platforms.
Take it
for a Test-Drive
The CP14 OEM board and sensor are
available in a Development Kit. The CP14 Development Kit
includes a fully loaded CP14 receiver with all necessary
accessories and enables you to perform a comprehensive
test-drive. It contains a CP14 GPS receiver, the Evaluate
software, power supply, ready-made interface cables, antenna,
and manuals.
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A
Single Board Solution
The Ashtech®
DG16TM OEM board from Thales Navigation, is a low
cost, new generation, sub-meter GPS+Beacon+SBAS receiver. The
perfect single OEM board solution for high-end integration,
DG16 incorporates signals from Satellite Based Augmentation
Systems (SBAS), such as WAAS, EGNOS and MSAS, with an embedded
beacon receiver to provide sub-meter differential positioning.
The two SBAS channels can be configured as two additional GPS
channels offering a total of 14 GPS channels.
A
16-channel receiver with 12 GPS L1 code and carrier channels,
2 SBAS channels and 2 300 KHz DGPS beacon channels, DG16 can
provide up to 20 Hz precise three-dimensional position and raw
data for real-time guidance and navigation. DG16 also
incorporates Integrated Differential OptimizationTM
techniques for using multiple sources of corrections and can
output SBAS ranging, ephemeris and differential corrections as
well as beacon corrections through the serial port. While DG16
offers three standard RS232 ports, it is capable of single
port operation; one serial port can do it all. Also, you can
create your own messages with the User Defined Messages (UDM)
software. DG16 has better signal tracking and offers
EdgeTM and Strobe CorrelatorTM
technologies for multipath mitigation and better accuracy in
shady environment. DG16 consumes less power than its
predecessor, G12TM, and can be programmed for low
power/sleep mode operation. It also features improved in-band
and out-of-band interference rejection capabilities. For best
performance, DG16 can also be configured to use a Kalman
filter with user selectable dynamic modes such as walking,
ship, aircraft, adaptive, etc. to match the operating
conditions.
Compatibility
DG16 and
DG14TM, are each backward compatible with G12 in
both hardware and software. They both have the same RF
connector and the same 30-pin connector location and pin-out
as the G12. They also use the same standard Ashtech serial
interface, enabling easy and smooth
upgrade.
Multipath Mitigation
Multipath is
the single largest cause of differential GPS position errors.
The Strobe Correlator technology is a digital signal
processing technique, implemented in the hardware and software
of the DG16 and DG14, which removes multipath errors almost
entirely for reflected signals with delays of 37 meters or
more. This represents the best DGPS multipath mitigation
available in a GPS receiver and is available standard with the
DG16 and DG14, providing improved accuracy and greater
reliability.
Evaluation Software
Ashtech
EvaluateTM software is available with the DG16 and
DG14 and provides visual displays of satellite information
such as SNR, receiver position and velocity as well as data
logging and analysis. It also enables direct communication
with the receiver. Compatible with all Ashtech receivers, the
software runs on Windows version 3.x Windows 95/98 and Windows
NT platforms.
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Serie G
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Unmatched
Performance
The Ashtech® G12TM
GPS board from Thales Navigation sets the standard for
superior performance in a wide assortment of high-accuracy
marine, avionics and land navigation applications. Available
in a board and sensor format, this powerful 12-channel
receiver is the first of its kind to offer a 20hz update rate
for real-time guidance, position and raw data output. The G12
offers differential accuracy better than 40 centimeters and
position latency less than 50 milliseconds. It delivers
precise three-dimensional positions to meet the demanding
requirements of high-end OEM system integration.
The
G12 incorporates all-in-view tracking of up to 12 satellites
with a loss of lock re-acquisition time of less than 2
seconds, and delivers unsurpassed position accuracies of
better than 40 centimeters, achieved immediately following
satellite acquisition. The Strobe CorrelatorTM
technology provides unmatched code multipath mitigation,
providing the best possible position accuracy. The G12 offers
distinct timing options for precise timing and frequency, or
time-tagging of positions, including 1 PPS time pulse, an
event marker to time-tag a position, and a programmable
measurement strobe that generates a pulse at a programmable
interval in advance of
measurements.
Compatibility
The G12 OEM board
is available in a compact 108 millimeter x 57 millimeter
footprint, identical and pin-compatible to the Ashtech Sensor
IITM OEM board, affording easy upgradeability to
the high-end OEM applications offered by the G12. An
all-in-view Differential Base Station, providing RTCM SC-104
message types 1, 2, 3, 6, and 16, is also available. The G12
makes an extremely affordable base station, and you don’t have
to pay for remote capabilities if you don’t need them. Your
standard G12 can easily be upgraded to include differential
base station capability.
Multipath
Mitigation
Multipath is the single largest cause of
differential GPS position errors. The Strobe Correlator is a
digital signal processing technique implemented in the
hardware and software of the G12 receiver that removes
multipath errors almost entirely for reflected signals with
delays of 37 meters or more. This represents the best DGPS
multipath mitigation available in GPS receivers, and it is
available standard with the G12, providing improved accuracy
and greater reliability.
Evaluation
Software
EvaluateTM software is available
with the G12 and provides visual displays of satellite
information, receiver position and velocity, as well as data
logging and analysis. It also allows direct communication with
the receiver. Compatible with all Ashtech receivers, the
software runs on Windows version 3.x Windows 95/98 and Windows
NT platforms.
Take It For a Test-Drive
The
G12 Evaluation Kit includes the G12 and all necessary
components to perform a comprehensive test drive. It contains
a G12 GPS board, the Evaluate software, power supply,
ready-made interface cables, antenna, and manuals.
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The
G12E-RTKtm receiver from Thales Navivgation
provides typical accuracy of 20 centimeters or better, with
reliable on-the-fly initialization that makes operation as
easy as DGPS, but with far better accuracy. The receiver is
available in Eurocard OEM format, or in a rugged Sensor
housing.
What is RTK\\?
Real-time Kinematic
is a special form of Differential GPS with two major
differences:
- RTK can provide up to one hundred times greater accuracy
than Differential GPS.
- RTK requires a short initialization period following
power-up, during this time the accuracy changes from
meter-level down to decimeter-level, and, in good
conditions, centimeter-level.
RTK
Initialization
RTK initialization is automatic, and
does not require the receiver to be stationary. In typical
conditions, the receiver accuracy will converge to
decimeter-level in a few minutes following startup. In good
conditions, the accuracy may continue to converge down to 1
centimeter.
Upgrade to GG-RTK
For even better
performance, you can upgrade the G12E-RTK to combined
GPS+GLONASStm RTK. With the addition of the extra
satellites from GLONASS, accuracy convergence times drop from
minutes to seconds. Upgrades to GG-RTK require a different GPS
antenna and a new firmware load.
As Easy as
DGPS
If you can set up a Differential receiver, you
know almost all there is to know about RTK. The G12E-RTK
receiver uses all the same commands used by the G12
Differential GPS receiver. Just one extra command places the
receiver in RTK Remote mode. For greatest accuracy, the
G12E-RTK remote unit needs a base station that provides
standard RTCM RTK data. If you happen to be operating the
G12E-RTK receiver in a region where only RTCM Code
Differential GPS corrections are available, then the unit can
be operated in DGPS mode, delivering sub-meter
accuracy.
Confidence: Real-time Accuracy
Measures
The G12E-RTK receiver features real-time
calculations of your achieved accuracy, so while your accuracy
is still converging you will know what your achieved accuracy
is, making your operation safer and more
reliable.
Base Station
A G12E-RTK base
station can generate RTCM format differential corrections for
Differential GPS as well as RTK-data, at the same time,
allowing your to run a single G12ERTK base station, with any
number of remote receivers. Some remote units doing
Differential GPS, others doing RTK. Moreover, you’re not tied
down with secret proprietary formats. The G12E-RTK uses the
RTCM standard for every operation, leaving you the freedom to
buy remote receivers of your choice in the future without
having to change your base station.
Built-in
Radio
RTK operation requires a data link between base
and remote receivers. Any radio may be used, but the G12E-RTK
Sensor has an optional built-in spread-spectrum radio
receiver. For base stations, an external spread-spectrum radio
transmitter is available. These radios, using the 902 to 928
MHz frequencies, are license free in the United States and
many other countries.
Development
Kits
Development Kits are available, including
everything you need to test drive theG12E-RTK. A development
kit contains a G12E-RTK Receiver with everything you need to
start your system integration: Windows®
Evaluatetm software, Windows Mission
Planningtm software, power supply, readymade
interface cables, antenna, and manuals. Development kit
receivers are equipped with both Base station and Remote
capability. With this comprehensive kit you’ll see RTK
performance minutes after taking delivery of your first
system.
Compatibility
The G12E-RTK is
mechanically and electrically compatible with the Ashtech GG24
and Z-Eurocardtm. Once you’ve integrated a
G12E-RTK, you have essentially integrated all Ashtech Eurocard
boards.
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Extreme
Performance
The G12-HDMA (High-Dynamics and Missile
Applications) GPS board from Thales Navivgation sets a new
standard for unsurpassed performance and tracking reliability
in a commercially available L1/CA GPS receiver. The G12-HDMA
has been tested and incorporated for positioning and
trajectory of vehicles operating in extremely harsh
environments such as missiles, munitions, and low earth orbit
satellites.
The receiver combines its superior tracking
algorithms with a g-rated crystal oscillator and several
innovative hardware modifications for durability. This
powerful 12-channel receiver is the first of its kind to offer
consistent and reliable tracking capabilities with observed
peak acceleration rates greater than 23 g’s, over 463 g’s of
jerk, and vibration levels of 0.1G2/Hz (30–1,000Hz), 9.8
Grms*. The G12-HDMA allows for a selectable rate of 20 Hz for
real time guidance, tracking, position and raw data output
which surpasses many missile-range safety standards at 10 Hz.
The G12-HDMA has been field-tested and is currently providing
a low-cost positioning alternative for several missile
programs used by the U.S. Navy, Air Force, Army, and NASA.
Range safety programs looking for the latest advanced
technology are selecting the G12-HDMA as the most rugged off
the shelf GPS receiver in the market. Constant improvements
continually expand the limits of this GPS technology into
truly extreme applications.
No Limits
Most
commercial off-the-shelf GPS receivers have self-imposed
limitations to speed and altitude capabilities. The HDMA OEM
Ashtech precision products from Thales Navigation are designed
for operation beyond 60,000 feet of altitude and 1,000 knots
of velocity and have these limits removed**. Therefore, they
are subject to the International Traffic in Arms Regulations
(ITAR) and require a U.S. Government license prior to export.
“Limits removed means more than simply these physical
limitations. They also mean the limits to your imagination.
The HDMA product line is created for use in applications with
acceleration, speed, and vibration extremes that other
receivers cannot survive.
This extreme GPS receiver
incorporates all-in-view tracking of up to 12 satellites with
a loss of lock re-acquisition time of less than 2 seconds. The
receiver delivers unsurpassed position accuracy observed at
better than 40 centimeters achieved immediately following
satellite acquisition. Signal inaccuracies are removed with
RAIM (Receiver Autonomous Integrity Monitoring), and the
revolutionary Ashtech Strobe Correlatortm
technology provides unmatched multipath mitigation. The
G12-HDMA provides the best possible position accuracy in some
of the most demanding environments created by
humankind.
Configuration Control
Programs
using the G12-HDMA depend on a higher level of configuration
control than generally found on commercial off-the-shelf
products. Thales Navigation offers more extensive attention to
providing version changes and software updates required by
high dynamics and missile control
customers.
Compatibility
An all-in-view
Differential Base Station solution providing RTCM SC104
message types 1, 2, 3, 6, 9, and 16 is available in the same
form factor, which allows high-dynamic application users the
opportunity to develop a relative DGPS capability with two or
more boards.
Multipath Mitigation
Multipath
is the single largest cause of differential position error,
and is ever-present at many missile ranges with tall, straight
structures present to support launches. The Strobe
Correlatortm is a digital signal processing
technique implemented in the hardware and software of the G12-
HDMA receiver that removes multipath errors almost entirely
for reflected signals with delays of 37meters or more. This
represents the best DGPS multipath mitigation available in GPS
receivers, and it is available standard with the G12-HDMA.
This means improved accuracy and greater
reliability.
*Performance beyond product
specifications is not
guaranteed.
**Higher altitude and
velocities up to 9 km/s are available under validated export
license.
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With
over 10 years of experience in high-precision receiver design,
Thales Navigation has developed an OEM GPS and
GPS+GLONASSTM receiver explicitly for the aviation
industry. While many previous designs were successful with
aircraft manufacturers and aircraft systems manufacturers for
test-flight applications, the Ashtech®
GG12-ProTM from Thales Navigation is ideally suited
for integration within Technical Standard Order (TSO) Flight
Management Systems (FMS), ground-based reference stations for
GPS aircraft landing systems (SCAT I and LAAS) and other
avionics.
In addition to traditional GPS receiver
design and ISO 9001 engineering practices, the GG12-Pro design
team has adhered to FAA/RTCA design criteria. The GG12-Pro
receiver includes RAIM, Predictive RAIM and ARINC 429/743
Interface onboard.
Certification
The GG12-Pro
software has been developed in accordance with the
requirements for RTCA DO-178B Level B (Software Considerations
in Airborne Systems and Equipment) certification. The hardware
has been developed to conform to the RTCA DO-208 (MOPS for
Airborne Supplemental Navigation Equipment Using GPS)
requirements. The hardware and navigational accuracy have been
developed in accordance with the RTCA DO-217 (MASPS DGNSS
Instrument Approach System: SCAT-I) requirements.
The
receiver capably operates in autonomous or differential mode,
making it ideal for all phases of flight, including precision
approach. It also provides code and carrier data for ground
reference station operation.
Anti-jamming
The
GG12-Pro receiver features extensive anti-jam capabilities in
the RF hardware.
GPS-only configuration
The
GG12-Pro GPS board incorporates all-in-view tracking of up to
12 satellites with a loss of lock re-acquisition time of less
than 3 seconds. The receiver meets the CWI (Continuous Wave
Interference) specification from RTCA DO-208and DO-229 (WAAS,
MOPS).
GPS+GLONASS configuration
The GPS and
GLONASS RF sections are independent, so that in-band CWI
jamming on GLONASS frequencies will not affect GPS, and
vice-versa. The GPS component of the receiver meets the CWI
specification from RTCA DO-208 and DO-229. The GLONASS portion
of the receiver satisfies a similar CWI specification. Both
the GPS and GLONASS receiver portions meet DO-235 requirements
to resist RF interference to navigation
satellites.
Each channel may be dynamically assigned to
GPS or GLONASS. You may specify which channels track which
system, or the receiver can perform this task automatically.
In automatic mode, you may define a primary system, wherein
the receiver tracks as many satellites of the primary system
as possible, and uses the remaining channels to track
satellites from the secondary system. The GPS+GLONASS receiver
can be configured as a GPS-only receiver, or a GLONASS-only
receiver.
Evaluation
Software
EvaluateTM software is available
with the GG12-Pro and provides visual displays of satellite
information, receiver position and velocity, as well as data
logging and analysis. It also allows direct communication with
the receiver. Compatible with all Ashtech receivers, the
software runs on Windows version 3.x Windows 95/98 and Windows
NT platforms.
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GPS
& GLONASS Seamless Integration
With the addition of
GLONASS to its leading GPS technology, Thales Navigation has
expanded the availability, integrity and accuracy of global
positioning tools. GLONASS, the Russian equivalent of GPS,
adds another satellite constellation for precision positioning
using the Ashtech® GG24TM
receiver.
The GG24 is the first 24-channel, all-in-view
GPS+GLONASSTM receiver. Its revolutionary design
allows smooth integration into a wide range of positioning
applications on land, sea or in the air. Incorporating the
GG24 is made easy through advanced methods of seamlessly
combining GPS and GLONASS into a single position solution. The
sophisticated blending of technologies is transparent while
the GG24 uses all available satellites from both systems to
obtain the best possible position
information.
Increased Availability
One of
the primary advantages of GPS+GLONASS is the increased
satellite coverage. With at least 48 satellites from the
combined constellations, there are twice as many satellites
available for position computation. Thus, GPS+GLONASS is
extremely beneficial in obstructed operating environments,
such as in cities around buildings, mountainous areas, under
tree cover, or other areas where much of the sky and many of
the satellites can be blocked. To take advantage of the
increased satellite availability, the GG24 has 12 channels for
L1 GPS and 12 channels for L1 GLONASS, providing all-in-view
tracking for both constellations.
Improved
Integrity
By using GPS+GLONASS, users benefit from the
integrity of two independently operated satellite positioning
systems. With more satellites available, the constellation
geometry is significantly improved, providing you with added
confidence in the accuracy of the positioning
solutions.
Evaluation
Software
EvaluateTM software is available
with the GG24 and provides visual displays of satellite
information, receiver position and velocity, as well as data
logging and analysis. It also enables direct communication
with the receiver. Compatible with all Ashtech receivers, the
software runs on Windows version 3.x Windows 95/98 and Windows
NT platforms.
Take It For a Test-Drive
The
GG24 Development Kit includes the GG24 and all necessary
components to perform a comprehensive test drive. It contains
a GG24 GPS board, the Evaluate software, power supply,
ready-made interface cables, antenna, and manuals.
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The
GG-RTK receiver from Thales Navivgation is the first real-time
kinematic GPS receiver to integrate the GPS and GLONASS
satellite constellations. The advanced patented GG-RTK is
designed for use in a variety of extreme environments in which
RTK operation was once thought impossible, such as open-pit
mines and urban canyons; areas where large portions of the sky
are blocked and fewer than 5 GPS satellites are
visible.
RTK (Real-Time Kinematic) is a special form of
Differential GPS with two major differences:
- RTK is up to 100 times more accurate than Differential
GPS.
- RTK requires a short initialization period following
power-up, during which time the accuracy changes from meter
to decimeter-level, and, in good conditions,
centimeter-level.
RTK
Initialization
During RTK initialization, the receiver
calculates the integer numbers of carrier-phase wavelengths
between the antenna and the satellites. The process is known
as fixing the integers. Before the integers are fixed, the
position is referred to as a float solution; afterward, the
position becomes a fixed solution. Because of the extra
satellites provided by the two satellite constellations, the
GG-RTK receiver can fix integer ambiguities where no other L1
GPS-only RTK system can. The more satellites it tracks, the
faster it works. With 14 or more satellites in view,
initialization time can be reduced to just a few seconds.
Initialization is automatic; the receiver need not remain
stationary, and user input is not required.
Data
Integrity
The base and remote units both incorporate
RAIM (Receiver Autonomous Integrity Monitoring) so that GG-RTK
only uses healthy satellites that are operating correctly. If
a satellite fails for any reason, RAIM will detect it and
GG-RTK will not use it. The GG-RTK provides two modes: one up
to 1-centimeter accuracy with maximum update rates of 1 Hz;
and another for up to 5-centimeter accuracy with maximum
update rates of 5 Hz. The GG-RTK reports your achieved
accuracy in real-time. This helps make your operation safer
and more reliable.
As Easy as DGPS
If you can
set up a differential receiver, you know almost all you need
to know about RTK. The GG-RTK receiver uses the same commands
used by the GG24 differential receiver. Just one command
places the receiver in RTK-base or remote mode. If you already
own a GG24, you may choose to easily upgrade to the GG-RTK.
The upgrade requires no hardware changes and you could be up
and running in minutes.
Single Base Station
Capability
A GG-RTK base station can simultaneously
generate differential corrections for both GPS and GLONASS, as
well as RTK data. Therefore, you can efficiently run your
entire operation using a single GG-RTK base station, with any
number of remote receivers performing any combination of
Differential GPS, Differential GPS+GLONASStm, RTK
navigation, RTK survey or post processed survey. What’s more,
you’re not tied down with proprietary formats. The GG-RTK uses
the internationally-recognized RTCM standard, so you can
purchase remote receivers of your choice without having to
change your base station.
Easy
Integration
RTK operation requires a data link between
the base and remote receivers. The GG-RTK receiver is designed
to integrate easily with an external radio, the most common
being a spread spectrum radio in the 900 MHz range. These
radios are license-free in the United States and in many other
countries.
Configurations
GG-RTK is available
in two configurations:
- OEM receiver board: a Eurocard receiver board for easy
OEM integration
- Housed sensor: a rugged "black box" solution with easy
interface
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With
over 10 years of experience in high-precision receiver design,
Thales Navigation has developed an OEM GPS and
GPS+GLONASSTM receiver explicitly for the aviation
industry. While many previous designs have been successful
with aircraft and aircraft systems manufacturers for test
flight applications, the SkyNavTM GG12TM
from Thales Navigation is ideally suited for integration
within Technical Standard Order (TSO) Flight Management
Systems (FMS), ground-based reference stations for GPS
aircraft landing systems (SCAT I and LAAS) and other avionics.
In addition to traditional GPS receiver design and ISO 9001
engineering practices, the SkyNav GG12 design team has adhered
to all FAA/RTCA design
criteria.
Certification
The SkyNav GG12
software has been developed in accordance with the
requirements for RTCA DO-178B Level B (Software Considerations
in Airborne Systems and Equipment Certification). The hardware
has been developed to conform to the RTCA DO-208 (MOPS for
Airborne Supplemental Navigation Equipment Using GPS)
requirements. The hardware and navigational accuracy has been
developed in accordance with the RTCA DO-217 (MASPS DGNSS
Instrument Approach System: SCAT-I) requirements.
The
receiver capably operates in autonomous or differential mode,
making it ideal for all phases of flight, including precision
approach. It also provides code and carrier data for ground
reference station operation.
Anti-jamming
The
SkyNav GG12 receiver features extensive anti-jamming
capabilities in the RF hardware.
GPS-only
configuration
The SkyNav GG12 GPS board incorporates
all-in-view tracking of up to 12 satellites with a loss of
lock re-acquisition time of less than 3 seconds, and meets the
Continuous Wave Interference (CWI) specification from RTCA
DO-208 and DO-229 (WAAS, MOPS).
GPS+GLONASS
configuration
The GPS and GLONASS RF sections are
independent, so that in-band CWI jamming on GLONASS
frequencies will not affect GPS, and vice-versa. The GPS
component of the receiver meets the CWI specification from
RTCA DO-208 and DO-229. The GLONASS portion of the receiver
satisfies a similar CWI specification. Both the GPS and
GLONASS receiver portions meet DO-235 requirements for
resisting RF interference to satellite signals, providing
superior accuracy and reliability.
Each channel can be
dynamically assigned to GPS or GLONASS. You may specify which
channels track which system, or the receiver can perform this
task automatically. In automatic mode, you may define a
primary system, wherein the receiver tracks as many satellites
of the primary system as possible, and uses the remaining
channels to track satellites from the secondary system. The
GPS+GLONASS receiver can be configured as a GPS-only receiver,
or a GLONASS-only receiver.
Evaluation
Software
EvaluateTM software is available
with the SkyNav GG12 and provides visual displays of satellite
information, receiver position and velocity, as well as data
logging and analysis. It also allows direct communication with
the receiver. Compatible with most Thales Navigation
receivers, the software runs on Windows®
version 3.x Windows 95/98 and Windows NT platforms.
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Serie Z
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A
dual-frequency receiver, the Ashtech®
ZX-EurocardTM from Thales Navigation, combines the
patented Ashtech Z-TrackingTM technology with
state-of-the-art electronics to deliver top-notch real-time
GPS performance. ZX-Eurocard provides 5 Hz update rate in
Synchronized RTK mode, and 10 Hz update rate in Fast RTK mode.
With expanded on-board memory for future software
enhancements, ZX-Eurocard can support optional data link
devices such as UHF or on-board spread spectrum radios. Low
power consumption of only 5W provides a significant
improvement over earlier products.
The Z-Tracking
and Instant-RTK Advantage
ZX-Eurocard incorporates the
patented Z-Tracking technology to defeat Anti-Spoofing
(encryption of the P-code) and provide optimal dual-frequency
performance. It has a 13 dB signal-to-noise ratio advantage
over competing technologies, enabling you to track weaker
satellite signals. The result is reliable centimeter-level
positions you can count on for all of your high-productivity
GPS applications. Also featuring the unique and patented
Instant-RTK® technology, ZX-Eurocard provides fast
and accurate real-time positioning and offers fixed ambiguity
solutions as fast as two seconds after full satellite lock.
Instant-RTK provides a distinct advantage in high-dynamic
applications. ZX-Eurocard is suitable for a variety of
applications such as construction, machine control, vehicle
guidance, and precision navigation, as well as land and marine
surveying.
The Worldwide Standard in Base-Station
Technology
When used as a base station, ZX-Eurocard
generates RTCM differential corrections and RTK data
compatible with any RTK remote station conforming to the
internationally recognized standard. ZX-Eurocard enables you
to operate Differential GPS (DGPS) and carrier phase RTK
remote units simultaneously with a single base station without
being tied down to any proprietary formats. Because
ZX-Eurocard uses the RTCM standard, you can purchase remote
receivers of your choice without having to change your base
station.
Take it for a Test Drive
The
standard ZX-Eurocard includes all firmware features required
for base and remote RTK operations, and features 5 Hz
Synchronized RTK and 10 Hz Fast RTK. Choose the ZX-Eurocard
Development Kit to perform a comprehensive test-drive. The
Development Kit contains a ZX-Eurocard board, power supply,
interface cables, antenna, manuals, Ashtech Mission
PlanningTM software, and Windows-based Ashtech
EvaluateTM software. Evaluate software communicates
directly with the receiver for control and monitoring,
providing visual displays of satellite information, receiver
position and velocity. It is also capable of data logging and
accuracy analysis.
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