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GBAS/SCAT-I Mode (Options R&S
EVSG-K4/-K5)
R&S
®
EVSF1000
142
User Manual 1178.6410.02 ─ 05
The format of the individual elements is described in the following sections.
8.6.4
Format Description of Elements
Different types of elements are supported to interpret all existing values in a GBAS
burst. However, the types are generic can be configured to handle other values, as
well.
Each
<Element>
in the XML file must have the following subelements:
Table 8-4: Mandatory subelements
Name
Description
<data_content>
Text that describes the content, usually the description from the DO246
document
<data_content_short>
A short description or unique keyword used to reference the element.
Select the name carefully - changing the name later can cause errors in
the functionality of other elements
<type>
Determines how the parser processes the element
The element type determines how the data is interpreted. Depending on the
<type>
,
further elements can be mandatory.
8.6.5
Output Elements
8.6.5.1
Unsigned Type
Interprets the value in a given number of bits as an unsigned (positive) integer value in
decimal format
Table 8-5: Mandatory subelements
Name
Description
<bits_used>
Static number of bits
Message XML Interface