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EuroPak-15a Receiver User Manual Rev 5 15
Foreword
Foreword
Scope
This manual contains sufficient information on the installation and operation of the EuroPak-15a or EuroPak-
15aT receiver to allow you to effectively integrate and fully operate it. After the addition of accessories, user-
supplied data communications equipment and a power supply, the receiver is ready to go.
These receivers utilizes a comprehensive user-interface command structure, which requires communications
through its communications (COM) ports. This manual also lists and describes the various receiver commands
and logs.
For an overview of GPS, a glossary of terms, units of conversion and acronyms, refer to the GPS+ Reference
Manual available on our website at http://www.novatel.com/Downloads/docupdates.html
.
It is beyond the scope of this manual to provide details on service or repair. Please contact your local NovAtel
dealer for any customer-service related inquiries, see Customer Service on Page 14.
Prerequisites
The installation chapters of this document provide information concerning the installation requirements and
considerations for the EuroPak-15a and EuroPak-15aT receivers.
Conventions
The term EuroPak-15aT will not be used in this manual unless a specific detail refers to it alone. The term
receiver and the term EuroPak-15a will infer that the text is applicable to a EuroPak-15a or EuroPak-15aT
unless otherwise stated.
The conventions used throughout this document are:
H The letter H in the Binary Bytes or Binary Offset columns represents the header length for that
command or log. The binary header is described in Section 4.3.2 on Page 36.
0x A number following 0x is a hexadecimal number.
[ ] Parameters surrounded by [ and ] are optional in a command or are required for only some instances
of the command depending on the values of other parameters.
< > Text displayed between < and > indicates the entry of a keystroke in the case of the command or an
automatic entry in the case of carriage return
<CR> and line feed <LF> in data output.
In tables where no values are given, such fields should be assumed to be reserved for future use.
Compliance with GPS Week Rollover
The GPS week rollover issue refers to the way GPS receivers store information regarding the current GPS
week. According to the official GPS system specifications document (ICD-GPS-200, paragraph 20.3.3.3.1.1),
"… 10 bits shall represent the number of the current GPS week…". This means the GPS week is represented by
an integer number between 0 and 1023. As GPS time started on Sunday January 6, 1980 at 0:00 hours, week
1023 ended on Saturday August 21, 1999 at 23:59:59.
As per the GPS system specifications document, NovAtel firmware resets the receiver's GPS week number
back to zero. Users should be aware of this issue and keep in mind that there may be a compatibility issue when
purchasing and using different makes of GPS receivers.
field
Text surrounded by a box indicates a variable parameter to be entered as part of the command string.