Configuration and Operation
LD8 Operations Manual AB-V-MA-00635_RevA2 20
4.4 CALCULATION CONFIGURATION
There are a number of calculation configuration options which can be changed by the use of commands.
These configuration options can update the way in which VERIPOS service types are utilised.
The two PPP solutions that VERIPOS offer, Ultra and Apex, allow for decimetre accuracy positioning. Each of
these services have no range limitations and can be used in any location.
Some VERIPOS service codes include both the Apex and Ultra solutions. The LD8 can only compute one
solution at a time, which can be specified by using the PPPSOURCE command. Where only one of the PPP
services is enabled it is still required to match the selection to the activated service.
Users should ensure that the solution selected matches the service requested from the Helpdesk. When
changing the receiver PPP selection this will restart the PPP calculation. Allow time for this to settle before the
PPP solution becomes available.
The LD8 is capable of tracking and using correction data from Satellite Based Augmentation Systems (SBAS).
If SBAS is enabled a SBAS DGNSS solution will be output in the event of VERIPOS solutions failure.
The SBAS positioning mode can be enabled by entering:
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