LDI DIGISONDE 4D - Housekeeping Header; Restricted Frequency Interval List

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DIGISONDE-4D
SYSTEM MANUAL
VERSION 1.2.11
5-40 SECTION 5 - SYSTEM SOFTWARE – ANNEX A
Housekeeping Header
5:92. Housekeeping Header structure is included in housekeeping packets, such as “I’m alive”, Event Mes-
sage, Error Message.
Table 5A- 16: Housekeeping Header (Length = 39)
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
3
DESC_VERSION
DESC Release Version
-
3
1
OP_STATE
Operation State:
1 = Standby
2 = Diagnostic
3 = Scheduled Operations
-
INT8U
1, 2, 3
4
17
TIME_STAMP
System clock time
-
Table 5A- 13
N/A
21
17
TOP_SST
Top SST in the SST queue
-
Table 5A- 13
N/A
38
1
TOP_SCHED
Top schedule number in the SST queue
-
INT8U
0 … 64
Restricted Frequency Interval List
5:93. Restricted Frequency Interval List is a set of intervals of frequencies forbidden to transmit. Restricted
Frequency Interval List contents are described in Table 5A- 17 and 18
Table 5A- 17: Restricted Frequency Interval List (Variable Length)
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
1
RFIL_VER
Version of RFIL
-
INT8U
>0
1
1
N_D
Number of Restricted Frequency Intervals for Doppler
-
INT8U
0 – 255
2..
RFI *
N_D
RFIL
Restricted Frequency Interval List (Restricted Fre-
quency Intervals structure, see Table 5A- 18)
-
RFI array
-
2 +
RFI*N_
D
1
N_I
Number of Restricted Frequency Intervals for Iono-
gram
-
INT8U
0 – 255
2 +
RFI*N_
D+1
RFI
*N_I
RFIL
Restricted Frequency Interval List (Restricted Fre-
quency Intervals structure, see Table 5A- 18
Table 5A- 18: Restricted Frequency Interval
(Length 4 Bytes))
-
RFI array
-
Table 5A- 18: Restricted Frequency Interval (Length 4 Bytes)
Byte
Offset
Byte
Len
Mnemonic
Description
Units
Type
Range
0
2
SRFI
Start of Restricted Frequency Interval
kHz
INT16U
1 kHz –
30000 kHz
2
2
ERFI
End of Restricted Frequency Interval
kHz
INT16U
1 kHz –
30000 kHz