Ashtech ProMark 200 Especificaciones descargar pdf (Pagina 46)

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Initialization

Post-Processed

Projects

In a rover, the initialization step is recommended at the

beginning of the data collection phase to make sure GNSS

Solutions will have enough data to post-process the field data

and deliver the expected level of accuracy. Two initialization

methods are possible in this case:

Real-Time RTK

Projects

This step is recommended in real-time RTK projects to

reduce the time needed before the rover can provide its first

“fixed” position solution (i.e. “FIXED” position status

displayed on the screen). Four initialization methods are

possible:

Initialization

Method

What You Are Supposed To Do

From Bar

It is assumed that you are using your own base. Start your

project with the rover antenna placed at the end of the initial-

izer bar (installed at the base). Keep it there immobile for 60

seconds (there is a progress bar on the screen asking you to

wait), then move the antenna to the top of the rover pole, tak-

ing care not to obstruct the antenna. You can then start your

project.

From Known

Point

Place the rover antenna on a point the coordinates of which

are known to the receiver. Keep the antenna immobile for 5

seconds on this point (there is a progress bar on the screen

asking you to wait), then start your project.

Initialization

Method

What You Are Supposed To Do

From Bar

It is assumed that you are using your own base. Start your

project with the rover antenna placed at the end of the initial-

izer bar (installed at the base). Wait until the “FIXED” position

status is displayed on the screen, then move the antenna to

the top of the rover pole, taking care not to obstruct the

antenna. Then start your project.

From Known

Point

Place the rover antenna on a point the coordinates of which

are known to the receiver. Keep the antenna immobile on this

point until the “FIXED” position status is displayed on the

screen. Then start your project.

On the Fly

Default initialization mode for which nothing particular needs

to be done at the beginning of the project. Whether you are

static or walking when you start the project, wait until the

“FIXED” position status is displayed on the screen before

actually starting your work.

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