Specifications

VP ONCORE COMMAND REFERENCE
Back to Index
LATITUDE (@@Ad)
Three parameters (latitude, longitude, and height) are used to establish
the initial position of the VP receiver. The initial position estimate
provides the VP with a starting point to begin the satellite acquisition
process. It is not necessary for the user to initialize the coordinates with
a position estimate, however the TTFF will be minimized by providing an
estimate that is close (within one degree is sufficient) to the user's
position.
Latitude is measured in degrees north (+) or degrees south (-) of the
earth's equator. The default datum for the latitude is WGS-84, however
this may be changed by the user with the Datum Select (@@Ao
command). This input command sets the initial latitude coordinate only if
the VP is not yet computing a position fix, or is used to replace the
current latitude with a new latitude while in Position Fix mode.
Range: -90º (South Pole) .. +90º (North Pole)
Default value: 0º (Equator)
Units: milliarcseconds (mas) (1º = 3,600,000 mas)
17 Synergy Systems, LLC 05OCT01