LDI DIGISONDE 4D - Page 244

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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
SECTION 5 - SYSTEM SOFTWARE – ANNEX A 5-47
Table 5A- 25: Ionogram Databin Format 1, without PGH, Length 17
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
1
DOPPLER
Sequential number of Doppler
-
INT8U
0…255
1
2
AMP1
1
st
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
3
2
PH1
1
st
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
5
2
AMP2
2
nd
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
7
2
PH2
2
nd
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
9
2
AMP3
3
rd
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
11
2
PH3
3
rd
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
13
2
AMP4
4
th
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
15
2
PH4
4
th
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
Table 5A- 26: Ionogram Databin Format 2, with PGH, Length 19
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
1
DOPPLER
Sequential number of Doppler
-
INT8U
0…255
1
2
AMP1
1
st
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
3
2
PH1
1
st
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
5
2
AMP2
2
nd
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
7
2
PH2
2
nd
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
9
2
AMP3
3
rd
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
11
2
PH3
3
rd
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
13
2
AMP4
4
th
antenna amplitude, linear scale, from 0 to 65535
-
INT16U
0... 65535
15
2
PH4
4
th
antenna phase, from 0 to 360, but not including 360
360/65536 deg
INT16U
0 ...65535
17
2
PH_DIFF
Phase difference between this and next close frequency.
This difference calculated for PGH mode, from 0 to 360,
but not including 360
360/65536 deg
INT16U
0 …65535
Table 5A- 27: Ionogram Databin Format 3, Length 4
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
1
SDN
Sequential number of
7
Strongest Doppler
-
INT8U
0 … 255
1
1
AMP
Amplitude of strongest Doppler that averaged over an-
tennas, given in dB scale
dB
INT8U
0 … 255
2
1
ZENITH
Zenith of source that corresponds to strongest Doppler, 0
to 90 Degrees
0.35Deg =
90 / 255
INT8U
0 … 255
3
1
AZIMUTH
Azimuth of source that corresponds to strongest Doppler,
given as east deviation from geographic north direction,
from 0 to 360 Degrees in east/clockwise direction.
1.412Deg =
360 / 255
INT8S
-128 … 127
7
Strongest doppler is the doppler that has maximum averaged value over antennas amplitude