Configure the antenna height
Trimble Mobile Manager generates positions—the measurement method—measured relative to a known reference point on the connected receiver. In most cases this is the "bottom of the receiver". For details on where / how to measure the antenna height offset, refer to the user documentation for your GNSS receiver.
Trimble Catalyst reports positions relative to the bottom of the antenna push-fit mount. To ensure that your software is recording accurate heights, enter the height of the antenna from the bottom of the DA1 / DA2 push-fit mount to the ground in the software's Antenna offset field.
To apply antenna height to positions generated by Trimble Mobile Manager tap 
and enable Apply antenna height. In most cases the Antenna type is automatically selected. Enter the height of the antenna from the ground to the position selected in the Measurement method option.
Use the Antenna height feature of your field software app to measure the GNSS position at ground level or any other reference point. For more information, refer to the user documentation for your field software.
Do not enter the antenna height in Trimble Mobile Manager and in your workflow app.
