Estaciones de Referencia
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iCGRS (Internet Enabled Continuous GPS Reference Station) es la estación de referencia de Thales Navitagion
que permite la conectividad directa a Internet sin la necesidad de utilización de PC para el acceso
a los datos. Como versión mejorada del MicroZ-CGRS, el iCGRS ha sido diseñado para aplicaciones
de alta precisión, integrando un PC embebido basado en sistema operativo Linux de gran fiabilidad.
Es la solución ideal como estación base de referencia conectada a Internet para la transferencia
automática de datos y la configuración remota mediante una interfaz Web de fácil manejo,
siempre mediante conexión segura.
El sistema iCGRS ha sido diseñado para alcanzar los requisitos más estrictos de operación
continua desatendida para la recolección de datos GPS de doble frecuencia y la más alta calidad.
Los ficheros de datos pueden ser descargados del iCGRS mientras el receptor continúa siguiendo y
almacenando datos, pudiéndose también enviar en tiempo real (streaming).
Conexión a Internet
El iCGRS se conecta directamente a una red utilizando una tarjeta Ethernet estándar, incluyendo un
cable RJ-45 para su conexión directa a dicha red. Una vez conectado, se puede controlar, monitorizar
y descargar datos utilizando un navegador Web. Se puede también configurar la descarga
automática FTP o el streaming de datos en tiempo real.
Programación Avanzada de Sesiones
El iCGRS puede ser programado para de forma automática crear sesiones tan cortas como de 15 minutos.
La intuitiva interfaz Web incluye una herramienta simple para configurar los parámetros de las sesiones,
como el espaciado de tiempo, el intervalo de registro, la elevación mínima de los satélites,
el modo de registro de datos, etc. Una vez los parámetros han sido definidos para la sesión, la GUI
generará las sesiones basándose en esta duración de sesión.
Tecnología Z-Tracking
El sistema iCGRS ha sido creado a partir de la tecnología probada y patentada Z-TechnologyTM
para la obtención de relaciones señal a ruido elevadas en L2. Esto significa un funcionamiento
ininterrumpido durante los periodos de operación del Anti-Spoofing (AS) y en condiciones de elevada
actividad ionosférica. Dentro de las características estándar del receptor iCGRS se el
funcionamiento "all-in-view " de 12 canales, procesado de señal multi-bit para proporcionar
inmunidad ante jamming RF y técnicas de filtrado SAW.
Opciones de Protocolos de Comunicaciones
El sistema iCGRS proporciona la opción de utilizar distintos protocolos de Internet para distintas aplicaciones,
incluyendo TCP/IP o UDP para streaming de datos, FTP para transferencia de ficheros y HTTPS para acceso Web al
receptor. También está disponible el protocolo ZMODEM para acceso por puertos serie.
Streaming de Datos en Tiempo Real
Una de las principales ventajas del sistema iCGRS es su capacidad para el envío (streaming)
de raw data y correcciones RTCM en tiempo real. El iCGRS proporciona la posibilidad de direccionar
hasta cinco puertos Ethernet independientes. Están disponibles los protocolos de streaming en TCP y UDP,
y el iCGRS podrá actuar como servidor o como cliente en dichos puertos. Los tipos de raw data disponibles
incluyen los propietarios de Thales Navigation MBN, PBN, DBN y SNV, así como datos BINEX. También será
posible el streaming de correcciones RTCM v2.3
Reporte e-mail Automático
Tras el evento de una condición de error, es sistema iCGRS puede enviar automáticamente
un e-mail al administrador de sistema. Hay también disponibles otros niveles de reporte e-mail,
incluyendo un reporte completo del estado de los procesos del EPC.
Integración Completa de Sensores Met/Tilt
El sistema iCGRS puede ser fácilmente integrado con una estación meteorológica y con un medidor de inclinación.
Ambos tipos de sensores pueden ser conectados simultáneamente. Los datos Met y Tilt son registrados y pueden ser
descargados junto con los datos GPS o enviados en tiempo real.
Transmisión Opcional de datos RTCM SC-104 v2.3
Mientras el sistema iCGRS registra datos GPS de precisión, es capaz de retransmitir correcciones
RTCM-104 v 2.3 a unidades remotas DGPS y RTK. Utiliza fácilmente el mismo receptor para múltiples
tareas, mientras el sistema iCGRS te proporciona un valor añadido a tu inversión.
Antenas de Altas Prestaciones
El sistema iCGRS suele ser adquirido con la antena Choke-Ring / Dorne&Margolin
de alta precisción L1/L2, siendo este el diseńo aceptado por la red de seguimiento IGS (International GPS Service)
del servicio GPS otras numerosas redes alrededor del mundo. Opcionalmente puede escogerse la antena
Geodetic IVTM con o sin plano de masa de quita y pon, que es la antena
ofrecida por Thales Navigation de forma estándar con los sistemas RTK, suponiendo una alternativa de menor
coste a la antena Choke-Ring.
Software de Control Micro-Manager
Micro-ManagerTM es un paquete software de control bajo Windows® proporcionad con cada sistema iCGRS.
Micro-Manager ofrece un contron completo sobre el receptor, posibilitando una fácil configuración de parámetros,
programación de sesiones, descarga de datos y actualización de firmware a través de una conexión serie. La versión
Micro-Manater Pro (ofrecida por separado), permite el control via modem y acceso FTP a los datos descargado, así como
una serie de posiblidades adicionales.
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The MicroZ Continuous Geodetic Reference Station (µZ-CGRSTM) from Thales Navigation,
provides the world’s most powerful GPS Reference Station technology. As the latest, most advanced receiver
in the Ashtech Z family, the MicroZ incorporates patented Z-TrackingTM technology for accurate
and reliable positions. Designed for high-accuracy scientific, land survey, and engineering applications,
the µZ-CGRS system is ideal as a permanent GPS base station.
The µZ-CGRS system includes all necessary
components for continuous collection of high-quality dual-frequency GPS data through an intuitive
Windows® or Unix interface. Data can be downloaded from the µZ-CGRS while the receiver continues
tracking and logging data. External frequency input is standard. The µZ-CGRS system has been designed to meet
the stringent requirements of continuous operation. Networks such as the U.S. and Canadian Coast Guards’ DGPS,
SCIGN, National Geodetic Survey's CORS network, the Bay Area Regional Deformation network, and the
China Seismological Bureau rely on Ashtech Reference Stations.
Powerful Z-Tracking Technology
The µZ-CGRS system is built on field-tested and patented Z-technology, providing uninterrupted operation during
Anti-Spoofing (A-S) and large ionospheric activity. With all-in-view 12-channel operation, multi-bit signal
processing for RF jamming immunity, and SAW filtering techniques, the µZ-CGRS offers the highest level of signal
reception commercially available.
Full Met/Tilt Sensor Integration
The µZ-CGRS is easily
integrated with a meteorological sensor and/or a tilt meter. Four available ports enable you to connect to both
sensor types simultaneously. Met and tilt data are logged and can be downloaded together with the GPS data or
streamed in real time. BINEX data format for real time data streaming is standard on all receivers.
High-Precision Choke Ring Antenna
The µZ-CGRS System incorporates the high-precision L1/L2
Choke Ring antenna. This antenna is the accepted design for the International GPS Service (IGS) tracking network,
the Southern California Integrated GPS Network (SCIGN), and numerous other networks around the world.
Micro-Manager Control Software
Micro-Manager, a Windows control software package, is bundled with
every µZ-CGRS system. Micro-Manager provides complete control over the receiver to easily set receiver
parameters, program recording sessions, download data, and upload new firmware. The optionally available
Micro-Manager Pro enables all of this functionality remotely through a radio or telephone modem. Simply connect
the remote receiver to a modem and connect from any PC. Once the connection is established, you can enjoy full
control of the site from anywhere in the world.
Optional RTCM SC-104 V2.2 Broadcast
Even while the µZ-CGRS is logging precise GPS data, it can broadcast RTCM-104 v 2.2 corrections to users for
DGPS and RTK. This option enables the use of a single receiver for multiple tasks, providing you more value
for your investment.
iCGRS (Internet Enabled Continuous GPS Reference Station) es la estación de referencia de Thales Navitagion
que permite la conectividad directa a Internet sin la necesidad de utilización de PC para el acceso
a los datos. Como versión mejorada del MicroZ-CGRS, el iCGRS ha sido diseñado para aplicaciones
de alta precisión, integrando un PC embebido basado en sistema operativo Linux de gran fiabilidad.
Es la solución ideal como estación base de referencia conectada a Internet para la transferencia
automática de datos y la configuración remota mediante una interfaz Web de fácil manejo,
siempre mediante conexión segura.
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Antena Geodésica
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Choke-Ring / Dorne & Margolin
Data Sheet
The Choke Ring Antenna from Thales Navigation is machined from a single billet of 6061-T6 aluminum.
This choke ring antenna retains the original IGS design for enhanced performance and added reliability.
The choke ring includes a Dorne & Margolin C146-10 vertical dipole element. The Thales Navigation Choke
Ring Antenna is the standard for high-end applications, providing proven technology and reliability.
Proven Design
The Choke Ring is a proven design used in dozens of high-end networks around the world. These networks include
the Southern California Integrated GPS Network, the Ordnance Survey in the United Kingdom and the Chinese
State Seismological Bureau. The antenna consists of a ground plate with five concentric ring structures,
a Dorne & Margolin C146-10 dipole element and a proprietary low-noise amplifier (LNA). The choke ring design
reduces ground-based multipath thereby improving the quality of the GPS observables.
Ashtech LNA and Dorne & Margolin Element
The Thales Navigation proprietary low-noise amplifier (LNA) exhibits low-noise performance. It operates over
a 5 to 15 volt DC antenna supply, and includes RF filtering for excellent out-of-band interference rejection.
The gain is approximately 38 dB.
GPS Industry Leader
Thales Navigation Reference Station
products continue to raise the industry standard for high-precision continuous operation. The Choke Ring
Antenna combines the field tested IGS design with advanced GPS choke ring technology at an affordable price.
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The Geodetic IVtm antenna from Thales Navigation is a High-performance, dual-frequency GPS antenna
designed for use in rugged surveying environments.
The Ashtech Geodetic IVtm GPS antenna is designed to provide surveying professionals with the
precision they need in a rugged package for real world operating environments.
High quality electronics provide the signal power and stability to deliver the optimum input to today’s
state of the art GPS receivers, like the Ashtech Z-Xtremetm. The integral, Tru-Tracktm
ground plane design helps the GPS receiver use more of the beneficial GPS signal and suppress unwanted multipath.
The optional detachable ground plane adds an additional level of multipath resistance for applications where every
millimeter counts. The ground plane is supplied with its own padded carry bag designed to protect the aluminum disk
from being damaged during transportation.
GPS antennas are valuable pieces of electronic equipment but field conditions are often harsh and can adversely
affect them. The Ashtech Geodetic IV is designed to provide a high level of performance and reliability wherever
your work takes you. The high impact plastic housing provides a stable base for the internal electronics, and the
UV stabilized radome will not be damaged by sunlight. The tough rubber bumper of the Geodetic IV helps protect the
unit from accidental impacts.
Moisture resistance is a key feature of an all-weather electronic device.
Therefore, the antenna is designed to be completely water tight. The unit is tested to, and meets the stringent IPX7
mechanical specification for water submersion.
Carefully engineered reference points on the exterior of the
antenna body and on the perimeter of the detachable ground plane allow HI readings with a tubular measurement rod
and pocket measurement tape. Measurement point dimensions and electrical phase center offsets are printed on the
outside of the antenna housing for easy reference.
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Software
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Micro-Manager (µ-Manager), from Thales Navigation, is a powerful reference station software package,
available in standard and professional configurations. Both versions enable you to quickly and easily
inspect the health and status of your receiver, configure receiver parameters, download data files, and
upload firmware to your Ashtech® µZ-CGRSTM (Continuous Geodetic Reference Station)
and iCGRSTM (Internet-Enabled CGRS).
µ-Manager operates seamlessly with the entire Ashtech µZ product line running the latest Ashtech firmware,
including CGRS, iCGRS, Z-XtremeTM, Z-SurveyorTM and Z-FXTM. µ-Manager takes
full advantage of the multitasking, multithreading capabilities of the 32-bit Windows operating system.
Manual (GUI) and automatic (command line) modes are provided.
Micro-Manager Pro includes all of the standard Micro-Manager features while also providing support for
a modem connection to your remote GPS receiver.
Comparativa entre Micro-Manager y Micro-Manager Pro
Graphical User Interface
The intuitive Graphical User Interface (GUI) of µ-Manager and µ-Manager Pro simplifies your GPS
receiver operations. The customizable Main Screen can be quickly and easily configured for your
specific application. Many real-time informational screens can be opened simultaneously, providing
current information on the health and status of your receiver and all your important GPS data.
µ-Manager has been built around a point-and-click architecture that provides a clear and efficient
means to examine receiver status, change parameters, download data files, and upload firmware.
Take advantage of µ-Manager’s command-line interface for hands-off automation.
Direct Receiver Control
Micro-Manager software instantly provides direct receiver
control to download data and set receiver parameters by simply connecting your PC to your
GPS receiver and starting up µ-Manager.
New Features in Version 2.0
New to Micro-Manager version 2.0 is a screen that allows the user to easily configure the
IP properties of the iCGRS, the World’s first Internet-enabled GPS receiver. Icons are
now available in addition to the pull-down menus, making it easier to use the Micro-Manager GUI.
Also new to version 2.0 is TRUMP. TRUMP automates and manages the process of converting
Ashtech U-Files to Ashtech-formatted raw GPS observation files and to Receiver Independent
EXchange (RINEX) files. TRUMP was designed to run in conjunction with the iCGRS receivers,
which use File Transfer Protocol (FTP) to push U-Files to a computer/network on which TRUMP resides.
TRUMP continuously runs on the FTP push target computer (or network) searching for the arrival of
recently pushed U-Files. Upon finding a U-File, TRUMP converts those files to Ashtech raw GPS
observation files. TRUMP can also convert those Ashtech raw GPS observation files to RINEX files.
TRUMP can also execute a set of user-defined post-convert commands for each U-file converted in
this process.
Remote Receiver Control
Micro-Manager Pro enables direct receiver control remotely, through a radio or phone modem to
any site having phone-line or radio access. You can support multiple remote sites from a single PC
using Micro-Manager Pro. Each site catalogued in the RINEX parameters look-up table can be independently
configured so that site-specific information is written into the RINEX header for data from
each remote location.
Session Programming
The µZ family of Ashtech GPS receivers, from Thales Navigation, implements a session programming
feature for selecting and controlling periods of data collection. Micro-Manager supports programming
of 96-Sessions per day so that 15-minute files can be created. Micro-Manager also supports the
RINEX v 2.2 file naming convention including the hour and minute that the files were created,
uniquely naming each of the 15-minute files.
Micro-Manager Pro will automatically convert Ashtech D-Files containing Met sensor data to RINEX
Meteorological data files.
µ-Manager provides an easy to understand GUI interface to this receiver feature. These combine to provide
a powerful file management tool that can be used to ensure coincident data collection over multiple GPS
receivers using a single PC, operating µ-Manager.
Data Download and Conversion
A convenient window enables you to view all the data files on your receiver. From this window you may
select files to download and then delete from the receiver. RINEX file conversion is initiated after
downloading with a simple checkbox. A Post-Download Command feature for Micro-Manager Pro
enables you to call other programs after a file is downloaded. Directory structure may be automatically
created to move data to other locations on your network, or send data to an FTP host using the bundled
FTP utility.
Reliable Firmware Uploads
Micro-Manager file transfers are based on the ZMODEM protocol, and as such you can expect to have new
firmware reliably transferred to the GPS receiver. In addition, a new multi-tiered protection mechanism
has been introduced to verify uploaded firmware before it replaces your existing firmware.
Terminal Window
A powerful Terminal Window capability permits full access to commands that may not be available within
the GUI. This enables full control of your receiver from the Terminal Window. The command templates
feature makes Terminal Window commands easy to remember and create while the Terminal Window Script-file
feature can launch a set of receiver commands, including command time-delay.
Ashtech Geodetic Base-Station Software Support
Micro-Manager Pro can be automatically called by your Geodetic Base-Station Software (GBSS) to remotely
control Ashtech µZ receivers and download data. This GBSS/µ-Manager duo combines sophisticated real-time
data logging with automated downloads from GPS receivers, whether directly connected or remotely located.
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Geodetic Base Station Software (GBSS)
Data Sheet
Ashtech® Geodetic Base Station Software (GBSS), from Thales Navigation,
provides advanced and affordable GPS base-station control technology. Taking full advantage
of the Windows 32-bit multitasking, multi-threaded operating system, the Geodetic Base Station
Software automatically logs GPS data to your PC.
Specifically designed to ensure optimal operation with the µZ-CGRSTM and previous Ashtech
reference station receivers, GBSS offers a customizable interface and the automatic creation of
sub-directories for maximum ease of use. GBSS comes equipped with many innovative features which
enable you to store a wide variety of GPS data in up to four separate directory structures.
Supported data types include compressed or uncompressed dual-frequency GPS and GLONASS data,
compressed or uncompressed single-frequency GPS and GLONASS data, ionospheric/UTC files, raw
data stream, diagnostic log files, and files containing NMEA messages. Each of these file types
can be created simultaneously while connected to a single dual-frequency GPS or GPS+GLONASS receiver.
GBSS data files can be made available to your GPS network through a BBS or FTP connection, or even a
Web page. Designed to work in concert with the FTP and Web page utilities that come standard with
Windows NT, GBSS offers an easy and flexible solution to acquiring and organizing your GPS data.
This powerful combination and the multiple directory architecture allow you to provide the right
GPS data to each subset of users. This innovative flexibility enables any range of configurations for
controlling your GPS data. For example, dual-frequency compressed data can be made available in the
primary directory for land surveyors, while single-frequency GPS data is placed in the secondary
directory structure for GIS users.
Thales Navigation reference station products continue
to raise the industry standard for high-precision continuous operation. With Geodetic Base Station
Software, powerful easy-to-use reference station technology is now available. Once configured, GBSS
requires minimal maintenance and can provide high-quality data every day of the year.
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A Single Program for All Applications GNSS StudioTM software from Thales Navigation
is an indispensable tool for all GPS surveys. GNSS Studio post processing gives optimal results from any
combination of static, rapid static or kinematic data. With the capability of handling both real-time
and post-processed data within a single project, GNSS Studio is opening new horizons for surveyors.
Intuitive Handling of Graphical Data
GNSS Sudio has now been redesigned to use the successful workflow strategy originally developed for
Ashtech Solutions. Intuitive drag-and-drop operations give you maximum control over the organization
of the database throughout your survey. GNSS Studio enables you to view data in a variety of different
forms and create reports including tables, maps and graphs. Compatibility with the OpenGIS standard
format allows easy data flow to numerous GIS software packages. When importing raster or vector map
formats, GNSS Studio enables you to open background projects and combine them with land survey projects
in a simple operation.
Easily Adaptable to Local Requirements
GNSS Studio is available in five languages enabling the user to install the language of their choice.
Numerous mapping projections and local coordinate transformations are available, enabling you to easily
modify data according to your needs and create reports that comply with national standards.
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