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Start Base
To set up the connected receiver for a base occupation.
This dialog has the special layout for setting up the base for PP Kinematic and PP DGPS surveys.
To set up and start the base occupation.
- Enter the name of the Point where the Base receiver is located. It can be chosen from the map
or the list
of job points, or can be entered manually.
- Select the Code for the point from the drop-down list. If required, set a string. Click
to set the point's attributes. More...
- The coordinates of the base point in the selected coordinate system will be shown.
- You can enter the measured coordinates of the current point. To measure the current position:
- Enter the antenna height and set the type of height measurement(
vertical or
slant). You can edit the antenna type, the value of the antenna height, and the type of height in the Antenna Setup dialog.
- Click the button
. Once pressed, the button turns into
.
- Click this button to stop logging the position. The average measured coordinates will be displayed. The Pos field appears to show the number of the measurements used for averaging.
- Click the
Start Base button to start the receiver as the Base that transmits the correction data. This button also starts the raw GNSS data file logging for the Post-Processed RTK. To stop the correction data transmission, click
and select the Stop Base command from the pop-up menu.
Note: If you start the base with a UHF radio and only for the first time in the job, clicking the Start Base button initiates the Quick Radio configuration to quickly set up the UHF radio for data transmission. Learn more about how MAGNET Field controls Quick Radio.
- For the Post-Processed RTK configuration, the Duration field displays the time the receiver logs data to the raw GNSS data file for the Post-Processed RTK. To stop logging the raw file, click
. To restart logging, click the
Start Base button.
Click
to open a pop-up menu with the following options. More...
Click
to open the Post-Processing dialog and review raw data logging settings in surveys with post-processing.
Important note:
In specific RTK and DGPS configurations, when starting the base, you can receive the following warning:
"Base station data was updated from corrections. Your rover firmware does not recognize the base antenna. Make sure that height of measured points is correct."
If you encountered this situation:
- First try reaching out for support to get the updated firmware for your rover receiver. After you have the updated firmware on you rover receiver, the problem will no longer occur.
- If the latest firmware for your rover receiver is not available yet, take the following steps:
- In configuration wizard, open the Antenna Setup step for the base receiver (RTK/DGPS configuration > ... > Base Receiver > Antenna Height > Edit).
- Select the Transmit as if zero offset antenna option located under the
menu. Save changes to the configuration. - Restart the base receiver.
This option can be used only in case the updated firmware is not available for your rover receiver.
Start Base (PP Kinematic / PP DGPS)
To set up and start the base occupation in Post-Processed Kinematic or Post-Processed DGPS survey.
- Enter the name of the Point where the Base receiver is located. It can be chosen from the map
or the list
of job points, or can be entered manually.
- Select the Code you want assigned to the point. It will be included in the raw GNSS data file. Click
to set the point's attributes if required. More...
- Enter the antenna height and set the type of height measurement(
vertical or
slant). You can edit the antenna type, the value of the antenna height, and the type of height in the Antenna Setup dialog.
- Click the Start Base button to start the logging of data into the raw GNSS data file. Once clicked, the button changes to the Stop Base button.
- The Duration field displays the time the receiver logs data.
Click
to open a pop-up menu with the following options. More...
Click
to open the Post-Processing dialog and review raw data logging settings.
Start Base pop-up menu
The pop-up menu can contain the following options:
Status - to review the current position and GNSS parameters.
Stop Base - to stop the correction data transmission.
Config Radio/Config GSM - to configure the modem (depends on the modem type for the survey).
Multi Base - to setup the base receiver for Multi Base mode (available for RTK survey with CMR+ format of correction data).
Grid to Ground - to setup grid / ground parameters (available if starting the base in a grid coordinate system).
Multi Base
For Multi Base mode in RTK survey, all Base receivers must be configured to transmit at the same frequency and must transmit CMR+ format corrections. The Rover receiver must be configured to receive only CMR+ messages.
Note: HiPer HR, NET-G5 and Sokkia GNR5 receivers cannot be selected as Base receivers in Multi Base mode.
To set multi base mode for surveying:
- From Base Station ID, select the identifying number of the base, which is sent as part of the CMR+ messages. Each base in a network must have a unique ID.
- From Transmit Delay, select the signal transmission delay from the current base. This parameter is set to ensure that the radio signals from multiple bases do not overlap. Each base should be set at least 250 milliseconds apart from any other. (At least 500 milliseconds for data transfer rates less than 9600 bps.)
- Select the Use Multi Base check box to enable multi base mode.
- Click
to save the settings and to return to the Start Base dialog.
Quick Radio
The Quick Radio functionality enables quick configuration of a UHF radio channel for data transmission.
These are some details about Quick Radio work:
- If you change a radio parameter value using any other application, MAGNET Field will not consider the new value, and Quick Radio will not work correctly.
- If you connect the same base receiver as the RTK / Network RTK rover, and then back as the base, Quick Radio will be reset and will work again when you start the base.
- If you change the power using the Config Base Radio option, Quick Radio will be reset and will work again when you start the base.
- If you change the channel using either the Config Radio dialog or the Quick Radio configuration during the last Start Base, Quick Radio will not be reset and will not work when you start the base.
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