|
|
|
|
|
14
|
1
|
each band is stored separately
|
|
19
|
0
128
512
|
for visible image band map
(eighth bit from right) for IR band map
(tenth bit from right) for WV band map
|
|
22
|
.xxxxx
|
MIEC absolute calibration band value (IR or WV) from the calibration section of the Meteosat header; stored as scaled integer xxxxx
|
|
23
|
xx.x
|
space count corresponding to the calibration value from the calibration section of the Meteosat header; stored as scaled integer xxx
|
|
24
|
1 or 2
|
physical sensor number from the Meteosat header
|
|
37
|
|
line offset of the southeast corner of the area in image coordinates; 16-bit value from the Meteosat header, right justified plus 1
|
|
38
|
|
element offset of the southeast corner of the area in image coordinates; 16-bit value from the Meteosat header, right justified plus 1
|
|
39
|
|
satellite center longitude of rectification; 16-bit value from the Meteosat header and right justified
|
|
44
|
0
|
|
|
49
|
24
|
length of the data block line prefix documentation, in bytes
|
|
50
|
0
|
length of the data block line prefix calibration, in bytes
|
|
51
|
0
|
length of the data block line prefix band list, in bytes
|
|
52
|
MSAT
|
image source type; 4 bytes ASCII
|
|
53
|
RAW
|
calibration type; 4 bytes ASCII
|
|
54
|
0
1
|
data was ingested as sent (full resolution)
data was sampled down (every other pixel); VIS is sent as resolution 1 in some images and resolution 2 in others
|
|
55
|
|
bitmap indicating types of data in the original image; bits are numbered right to left (least to most significant bit):
bit 0: 1 if VIS is included in transmission; 0 if not
bit 1: 1 if IR is included in transmission; 0 if not
bit 2: 1 if WV is included in transmission; 0 if not
all other bits = 0
|
Meteosat PDUS data block
The line prefix for the data block contains the information below. For the line data, each value is transmitted as eight bits and is stored west to east and north to south in the area, the opposite of how it is transmitted.
|
|
|
|
validity code
|
this is present for the real-time data
|
|
documentation
|
24 bytes; this is a copy of the label that arrives with each subframe
|
|
calibration
|
0 bytes (not used)
|
|
band list
|
0 bytes (not used) since each band is stored in a separate area
|
