5.3.16 Sthreshold Control Signal Thresholds - Novatel EuroPak-15a User Manual

Chapter 5

5.3.16 STHRESHOLD Control Signal Thresholds

This command controls signal acquisition and steady-state-lock signal thresholds. The sigchan, acqui, lock and
crosscorr fields must have values. They set the thresholds for the specified L1 channel.
See also on Page 120 for the mapping of signal channels.
Table 56
When you change this command, the selected channel loses lock and the locktime for its tracking satellite
is reset to zero.
Syntax:
STHRESHOLD SIGCHAN
Field
Field
Name
1 header
2 sigchan
3 acqui
4 lock
5 crosscorr
Example:
STHRESHOLD 0 35 20 35
66
ACQUI LOCK
Valid Values
This field contains the Abbreviated ASCII command name. See Section
4.1 on Page 31.
The parameters should be applied
0-15
to this signal channel.
Acquisition power threshold in
25-80
dBHz.
Steady-state tracking lock
10-80
threshold in dBHz.
Specifies the cross-correlation
10-80 power threshold in dBHz, at which
point, the checks are performed.
CROSSCORR
Description Format
Ulong
ULong
ULong
ULong
EuroPak-15a Receiver User Manual Rev 5
Commands
Message ID: 803
Binary Binary
Bytes Offset
H 0
4 H+20
4 H
4 H+4
4 H+8