Format Description of GBAS and SCAT-I Data
R&S
®
EVSG1000
399
User Manual 1178.6227.02 ─ 06
No.
Column
Description
7
FREQ[MHz]
Receiving frequency
8
F_DEV[kHz]
Frequency deviation
9
LEVEL[dBm]
Level measured over the "Synchronization and Ambiguity Resolution" period
of the GBAS/SCAT signal
10
SSID
Received Station ID, equivalent to GBAS ID or SCAT ID
11
Len[bit]
Length of the entire message block
12
Train.FEC
FEC of the training sequence
13
Applic.FEC
FEC of the data content
14
MBI
Message block identifier
15
MT 1
Message type 1 available (YES | NO)
16
MT 4
Message type 4 available (YES | NO)
17
GPS_lat.
Received GPS data
18
GPS_long.
19
GPS_alt[m]
20
GPS_speed[km/h]
21
GPS_date
22
GPS_time
23
GPS_Sat
24
GPS_Status
25
GPS_Fix
26
GPS_HDOP
27
GPS_VDOP
28
GPS_Dist[m]
Distance between GPS reference point and current GPS position
29
GPS_Angle[°]
Angle between GPS reference point and current GPS position
30
ATT.MODE
Attenuator mode during slot measurement (LN | NORM | LD)
In AUTO mode: the used hardware setting
GBAS Signal - MT1
After the general information, if the slot contains a message type 1, the following burst
data is provided for each of the up to 32 satellites (in "full" list only):
Table D-2: Decoded message type 1 data for the individual slot and each satellite (GBAS)
Column
Description
MT1 GBAS
Section label (separator in list)
MB CRC