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PRODUCTS
What's Out There? To Read, To buy , To Use
Satellite Services
 Telespazio
offers this 18-page guide to the company, which focuses on clients
in the telecommunications, business, and consumer sectors with space
services and systems as well as high-value-added satellite application
services. For satellite management services, Telespazio provides
operational telemetry services, including Inmarsat and
Eutelsat, and contract installation management as well as support
to launch activities, telecommunication applications, and Earth
observation and scientific missions. Value-added satellite services
include Euteltracs, serving the Italian road transport market; Emsat,
a Europe-wide mobile satellite telephone user solution; and Orbcomm,
a global messaging, data collection, and radio-positioning service.
Telespazio, Rome, Italy.
GPS/GLONASS licensing
Spirit Corporation offers licensing for its 16-channel,
L1, GPS and GLONASS receiver design, which incorporates data processing
and positioning software into a single, fixed-point digital signal
processor chip. The receiver includes a radio-frequency front end
that receives and downconverts L1 GPS and GLONASS signals to appropriate
intermediate frequencies. The receiver also includes optional differential
input/output and real-time kinematicon-the-fly capabilities.
Spirit Corp., Moscow, Russia.
AVL and surveillance
Princip offers the Lupus automatic vehicle location
(AVL) and surveillance system, comprising three components: a mobile
unit with a GPS receiver and two-way data communications using GSM,
ORBCOMM, or data radio; a communication server operating on UNIX,
LINUX, or Windows NT platforms; and client geographic information
system software on a Windows operating system. The Lupus system
is designed for road, rail, or nautical tracking, with potential
users including haulage contractors, police, taxi companies, and
operators of traffic logistic systems. The system is capable of
monitoring, screening, and logging records for more than 10,000
mobile units in real time. Princip, Prague, Czech Republic.
Space-based
augmentation
This technical paper from Dassault Sercel Navigation
Positioning (DSNP) includes a company profile
outlining DSNP's products and services in the fields of marine and
land surveys, marine and land navigation, and fleet management.
The paper, entitled "SBAS: An extension of the GPS," addresses the
future development of a Global Navigation Satellite System (GNSS),
including results of experimental GNSS 1 transmissions, updates
on the status and deployment schedule of GNSS 1 and 2, and DSNP's
participation in the next-generation GNSS. DSNP, Carquefou,
France.
GPS/SBAS simulator
Global Simulations Systems has introduced the STR4500
multichannel simulator, capable of generating GPS L1 C/A-code and
satellite-based augmentation signals (SBAS) on 12 independent channels.
The device is particularly targeted at the automotive, civil aviation,
general marine, personal navigation, and telecommunications fields.
It supports all-in-view and multipath environments and full SBAS
support (WAAS, EGNOS, MTSAT). Receiver capture and simulation truth
data is in NMEA-0138 format with RTCM-SC104 differential corrections
available from the serial port. Various prepared simulations are
supplied on an accompanying CD-ROM for Windows operating systems.
Global Simulations Systems Limited, Paignton, Devon, UK.
Satellite
navigation products
Septentrio Satellite Navigation, a venture capital
spin-off company of European research and
development centre IMEC, offers OEM hardware and software for satellite
navigation, including the GReCo, a 12-channel base-band processor
for GPS, GLONASS, and augmentation signals for timing, marine, aviation,
and attitude applications. Septentrio, Leuven, Belgium.
Differential
GPS receiver
The GEOmeter 12L from GEOSat is a 12-channel, L1,
C/A-code differential GPS receiver designed
for outdoor use in agriculture, forestry, environmental monitoring,
and other geographic information systems data-collection applications.
The device allows the user to choose transformation parameters for
transformation into map coordinates. The device measures 24 2 10
25 centimetres and weighs 1 kilogram. The receiver employs a German
differential service or any other RTCM standard service. GEOSat,
Mülheim, Germany.
Kinematic postprocessing
Geoima has introduced XRapS 5.0, a GPS real-time
kinematic postproccessing software package offering features such
as project-oriented data management with acceptance of RINEX and
other data formats from GPS hardware manufacturers, multibase computation,
online help, graphical interface, and ability to create ASCII result
lists. The software is available for 32-bit personal computer operating
systems, including all Windows platforms, LINUX, and UNIX-OS. Geoima,
Egelsbach, Germany.
EGNOS
primer
For those seeking an introduction to the European
Geostationary Navigation Overlay System (EGNOS) -- the European
complement to GPS and GLONASS -- the European Tripartite
Group presents this primer. It includes explanations of EGNOS system
architecture, coverage area, and ground infrastructure as well as
providing information about EGNOS's developers, the European Tripartite
Group, consisting of the European Community, European Space Agency,
and Eurocontrol. European Tripartite Group, Brussels, Belgium.
Receiver for space application
Laben has introduced the LAGRANGE, a navigation
receiver for space applications. The device -- whose name is an
acronym for Laben GNSS Receiver for Advanced Navigation, Geodesy,
and Experiments -- is a 12-channel, dual GPS/GLONASS receiver that
operates at L1 and L2 frequencies. It can provide raw data, including
differential L1/L2 measurements that can be used for scientific
applications such as geodesy and atmospheric profiling. Navigation
accuracies are quoted at 80 metres for GPS and 10 metres for GLONASS.
Integrated Doppler precision (sampled at 1 Hz) is listed as 1 millimetre
for GPS and GLONASS. Laben, Milano, Italy.
Air traffic management
This
booklet outlines Alenia Marconi's air traffic control and air traffic
management systems (ATC/ATM) solutions for
civil aviation, including radar surveillance to cover en-route and
terminal airspace, weather radars, sensors, forecasting systems,
and aeronautical communications. A series of single-page information
sheets is also available, detailing each aspect of the company's
ATC/ATM offerings, including S- and L-band reflector antenna systems,
air traffic controller working positions, and Doppler weather radar.
Alenia Marconi, Essex, UK.
Transport management
EuroTelematik offers a suite of transport management
systems for various tracking applications. The LSG-200/LSM-200 Localisation
device connects to a 12-channel, differential GPS receiver to determine
position of mobile freight units with transmission of information
to a central control unit. The TMG-300/TMM-300 is an in-vehicle
display unit allowing a driver to receive and transmit free-format
messages to a central control unit. The TMC-300 Transport Management
Centre is a central dispatch unit for tracking and control of transport
fleets. It includes digital street maps, user-defined access protection,
and integration options for existing hardware. EuroTelematik,
Ulm, Germany.
Military and civil electronics
This booklet provides information about Thomson-CSF
Detexis, a company formed January 1999 by
the merging of Dassault Electronique, Thomson-CSF Radars and Contre-Mesures,
and Thomson-CSF Missile Electronics. The company focuses on European
clients and provides products and services for the success of armed
forces' operation missions, including radar, missile electronics,
electronic warfare systems, airborne systems, and information technology
systems. The company has various subsidiaries, including differential
GPS manufacturer DSNP (Dassault Sercel N.P). Thomson-CSF Detexis,
Saint-Cloud, France.
European satellite navigation
Consult this booklet by Alenia Aerospazio for a
primer on the Italian company's role in the development
of Galileo, a European Global Navigation Satellite System (GNSS).
Discussion covers the European Geostationary Navigation Overlay
System (EGNOS) program, development GNSS, and the projection for
the potential market in Europe for satellite navigation. The company
is involved in the space and ground segments for the GNSS-1/EGNOS
programme, with responsibility for the Central Control Facility
(CCF), the Reference Stations (RIMS), and the navigation transponder
for the Artemis satellite. Alenia Aerospazio, Rome, Italy.
L1 patch antenna
 MAN
Technologie's GPS/GLONASS L1 patch antenna is designed to accommodate
the 15601630MHz frequency band. A low-loss preselection
filter is said to attenuate interference
sources, with the low-noise amplifier offering a typical gain of
31 dB. The antenna is bolt mountable and constructed for all-weather
use. A single coaxial cable connects the assembly to the receiver.
The unit employs a choke-ring groundplane to mitigate interference
and multipath. MAN Technologie, Karlsfeld, Germany.
Mobile RTK surveys
The over-Combi set of integrated GPS surveying units
from GeoAstor offers combined receiver antennas and built-in computer,
all tied to a single accumulator for high mobility during real-time
kinematic and postproccessing applications. The Rover-Combi 1 includes
a 40-channel GAC PRO receiver, handheld pen personal computer monitor,
and inclusive accumulator recharger. The Rover-Combi 2 offers the
addition of a radio and GSM modem to the 40-channel receiver. The
Rover-Combi 3 allows remote-control options, with the receiver and
pen computer able to receive and process data in real time to distances
as large as 1,000 metres. All three units correspond to the Basis-Station
tripod antenna, which includes a choke-ring to reduce multipath
effect, four correlators per channel with 40 channels total, and
outside interference suppression. GeoAstor AG, Rümlang,
Switzerland.
Testing and evaluation
This booklet describes the French Minister of Defense
Ballistics and Aerodynamics Research Laboratory
(LRBA), which offers analysis, evaluation, and testing to both the
government and outside clients. The centre specialises in guidance,
control, and navigation systems; strategic and tactical missile
systems; and space-based observation systems. Expansion into the
civil sector will focus on intelligent transportation systems studies
and testing. LRBA, Vernon, France.
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