LDI DIGISONDE 4D - Page 230

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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
SECTION 5 - SYSTEM SOFTWARE – ANNEX A 5-33
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
bits:
4-7
BIN_FORMAT
Databin format. It is defined only for Generic format, in
which case the databin format number is:
a). For Raw or Time Domain data type
0 - uncompressed
1 - compressed
b). For Doppler data type
0 - uncompressed
1 - compressed
c) For Ionogram data type
0 - all-antennas uncompressed
1 - all-antennas compressed
2 - antenna-convolved uncompressed
3 - antenna-convolved compressed
4 - antenna-convolved very compressed
-
INT4U
7
2
L
Lower Frequency Limit
This field’s used when Frequency Stepping Law is Linear or
Logarithmic
1 kHz
INT16U
1000 kHz -
30000 kHz
9
2
U
Upper Frequency Limit
This field’s used when Frequency Stepping Law is Linear or
Logarithmic
1 kHz
INT16U
1000 kHz -
30000 kHz
11
2
FF
Fixed Frequency
This field’s used when Frequency Stepping Law is Fixed
Frequency
1 kHz
INT16U
1000 kHz -
30000 kHz
13
1
FFR
Fixed Frequency Repeats
This field’s used when Frequency Stepping Law is Fixed
Frequency
-
INT8U
0...255
14
1
FST
Frequency Stepping Law
0 = Linear
1 = Logarithmic
2 = Fixed Frequency (Lower Frequency Limit value is used)
3 = Flex List (user-defined list of operating frequencies)
-
INT8U
0,1,2,3
15
1
FLS
Flex List Size
Size of Flex List (number of user-defined frequencies).
This field’s used when Frequency Stepping Law is Flex List.
-
INT8U
0…255
16
2
CFS
Coarse Frequency Step
This field’s used when Frequency Stepping Law is Linear or
Logarithmic
1 % (log)
1 kHz (lin)
INT16U
1-100%
1 kHz-
1MHz
18
2
FFS
Fine Frequency Step
1 kHz
INT16U
1 kHz-
1MHz
20
1
NFS
Number of fine steps
-
INT8U
1...8
21
1
MX
Fine step multiplexing
0 = no multiplexing
1 = multiplexing
-
INT8U
0, 1
22
1
M
Multiple frequency operation (constant, set to single fre-
quency mode)
0 = single frequency mode
1 = dual frequency mode
2 = quadruple frequency mode
-
INT8U
0, 1, 2
23
1
W
Waveform
1 = 16-chip complimentary code
2 = 67 s short pulse
-
INT8U
1, 2
24
1
IPS
Interpulse phase switching (constant, set to disabled)
0 = disabled
1 = enabled
-
INT8U
0, 1
25
1
TM
Transmitter mode
0 = off
1 = on
-
INT8U
0, 1