ashtech HDS800, Reference Manual

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469
Query Command Library
DDS: Differential Decoder Status
Function
This command allows you to output a message providing
status data on the corrections received.
Command Format
Syntax
$PASHQ,DDS[*cc]
Response Format
Syntax
$PASHR,DDS,d1,m2,d3,c4,s5,c6,d7,d8,d9,d10,d11,f12,f13,d14,n(d15,
f16,f17)*cc
Parameters
Parameter Description Range
d1 Differential decoder number 1-3
m2 GNSS (output) time tag 000000.00-235959.99
d3 Cumulative counter of stream change 0-255
c4
ID of port from which corrections are
received
A, C, D, E, F, I, P, Q
s5
Protocol detected (empty means “no
data”) RT2, RT3, CMR, DBN,
TPZ, ATM
d6
Time window, in seconds:
• “0” if not defined or just initialized
• “255” means equal to or greater
than 255
0-255
d7
Percentage of estimated overall data
link quality/availability. Empty if not
defined.
0-100
d8
Percentage of deselected informa-
tion. Empty if not defined.
0-100
d9
CRC percentage. Empty if not
defined.
0-100
d10 Standard of latency, in milli-seconds 0-16383
d11 Mean latency, in milli-seconds 0-16383
f12 Mean epoch interval, in seconds 0.00-163.86
f13 Min epoch interval, in seconds 0.00-20.47
d14
Number (n) of different messages
detected since last stream change
0-63