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Introduction Chapter 1
EuroPak-15a Receiver User Manual Rev 5 19
the system and informing the end user of this by an integrity signal incorporated in the data stream.
The main applications for this service concern professional users who are ready to pay for a service guaranteed
by the Galileo operator, notably in the areas of technical surveys, in activities involving customs and excise
operations, network synchronization, sea fleet management, vehicle fleet management, and road tolls.
Controlled access to this service for end-users and the providers of value-added services will be based on
protected access keys in the receivers. This will also enable revenue to be collected from users.
The commercial service will be transmitted in the E6 frequency band at 1278.75 MHz.
1.3.3 Safety-of-Life Service
The safety-of-life service will be offered to users who are highly dependant on precision, signal quality and
signal transmission reliability. It will offer a high level of integrity, and consequently, provide the user with a
very rapid warning of any possible malfunctions. It will need to be certified in accordance with the regulations
applicable to the various modes of transport (the International Civil Aviation Organization (ICAO) regulations
in the case of air transport; the International Maritime Organization (IMO) regulations in the case of sea
transport). This service will require specialized receivers providing access to this enhanced-quality signal.
The safety-of-life service will be transmitted in two frequency bands – L1 at 1575.42 MHz, and E5b at 1207.14
MHz. Users may receive signals from the two frequency bands independently.
1.3.4 Public Regulated Service
The PRS will be a restricted access service, offered to government agencies that require a high availability
navigation signal. The PRS service will utilize ranging codes that are encrypted with a highly secure
government encryption scheme. To enhance availability, the PRS service is intended to have anti-jamming and
anti-spoofing capabilities.
The PRS will be transmitted in two frequency bands – L1 at 1575.42 MHz, and E6 at 1278.75 MHz. Users may
receive signals from the two frequency bands independently.
1.3.5 Search and Rescue Service
A specific public service designed to assist in search and rescue operations will make it possible to locate
person and vehicles in distress. The vehicles will be fitted with beacons, which having been activated in the
event of an emergency will send an alerting signal to the rescue centre.
The Galileo Program provides this search and rescue service for users based on humanitarian and public
service principles of the international COSPAS-SARSAT system while at the same time making search and
rescue operations more effective.
1.4 EuroPak-15a Enclosure
The EuroPak-15a provides a hardware interface between your equipment and the NovAtel Euro-L1E5a card.
Each is a rugged, sealed enclosure that provides protection against adverse environments. It has DB-9
connectors to access data and status signals.
The EuroPak-15a offers the following features:
• A mounting enclosure with a PCB interconnect back plane
• Two serial ports provided on two DB-9P connectors (see the note below):
•COM1
• COM3 (the port is labelled COM2 on the enclosure but is COM3 in the software)
• Auxiliary status and synchronization signals