Rohde & Schwarz EVSG1000, User Manual

Page: 128 / 311

GBAS/SCAT-I Mode (Options R&S EVSG-K4/-K5)
R&S
®
EVSG1000
128 User Manual 1178.6227.02 ─ 04
Results for a single frame or slot
The currently selected frame and slot are indicated by a dotted rectangle in the table.
To view the details for a particular frame or slot, turn the rotary knob to scroll through
the slots and frames. When the required slot or frame is selected, select the view you
want to see the slot results in.
For more details, see:
●
Chapter 7.3.2, "Frame View" , on page 129
●
Chapter 7.3.3, "Burst View" , on page 132
●
Chapter 7.3.4, "Constellation View" , on page 135
●
Chapter 7.3.5, "Message View" , on page 136
For each slot in each displayed frame, the following information is provided in the cor-
responding table cell (for a valid GBAS burst, if available).
GBAS ID ......................................................................................................................128
Burst Level Average (Av [dBm]) .................................................................................. 128
Application Data (App. Dat.) ........................................................................................128
Status .......................................................................................................................... 128
GBAS ID
4-character identifier of the ground station broadcasting the message. If there is more
than one message inside the burst, the first GBAS ID is displayed.
Burst Level Average (Av [dBm])
Arithmetic average of the burst power level measured over the period of the synchroni-
zation and ambiguity resolution field of the burst.
If no burst was detected, the arithmetic average of the noise power is displayed.
Remote command:
LA?
on page 258
Application Data (App. Dat.)
Detected message types (MT) in the burst
Example: "MT:1,2": messages of type 1 and 2 detected
Status
The burst status is indicated by the color of the slot cell:
Green The status is "OK". The received burst passed the cyclic redundancy
check (CRC).
Red An error occured. The received burst did not pass the cyclic redun-
dancy check (CRC).
Gray No burst received.
GBAS / SCAT-I Measurement Views and Results