GBAS/SCAT-I Mode (Options R&S
EVSG-K4/-K5)
R&S
®
EVSF1000
146
User Manual 1178.6410.02 ─ 05
Example:
<Element>
<data_content>Latitude</data_content>
<data_content_short>Lat</data_content_short>
<bits_used>32</bits_used>
<type>lat</type>
<resolution>0.0005</resolution>
</Element>
Table 8-14: Output in Message view table
Data Content
Bits used
Value
Binary
Latitude
32
N45°40'32.0000''
00010011100110100001000100000000
8.6.5.5
Id Type
Decodes the unique airport ID which consists of 4 characters, coded in 24 bits
Example:
<Element>
<data_content>GBAS ID</data_content>
<data_content_short>GBAS_ID</data_content_short>
<type>id</type>
</Element>
8.6.5.6
Fixed Type
The
fixed
-type element expects a certain number of bits to have a specific value. If
the incoming bitstream matches, the result value is
OK
, otherwise it is
NOK
.
Table 8-15: Mandatory subelements
Name
Description
<bits>
Binary bitstream content made of 0 and 1
Example:
<Element>
<data_content>Reserved and Zero</data_content>
<data_content_short>Zeroes</data_content_short>
<bits>00000</bits>
<type>fixed</type>
</Element>
8.6.5.7
Value Type
Binary data without evaluation. Used to document content when a numerical interpreta-
tion does not make sense.
Message XML Interface
