Programming Manual 28
If you send the $JK command without a subscription key as follows, it will
return the expiry date of the subscription.
$JK<CR><LF>
Reply.
$>JK,12/31/2003,1
3.11 $JPOS
This command is used to speed up the initial acquisition when changing
continents with the receiver (for example, powering it for the first time in
Europe after it has been tested in Canada). This will allow it to begin the
acquisition process for the closest SBAS spot beams. This will save some
time with acquisition of the SBAS service; however, use of this message is
typically not required due to the quick overall startup time of CSI receivers.
This command has the following layout.
$JPOS,lat,lon<CR><LF>
Where ‘lat’ and ‘lon’ have the following requirements.
Position Component Description
lat Latitude component must be entered in decimal degrees. This
component does not have to be more accurate than half a degree.
lon Longitude component must be entered in decimal degrees. This
component does not have to be more accurate than approximately
half a degree.
Note - this command is not normally required for operation of CSI
receivers.
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