> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/rtk-ppk-module/setup-and-installation/base-stations/trimble-base-stations/trimble-r980.md).

# Trimble R980

The Trimble R980 is a capable 3rd party base station that enables RTK and PPK workflows. It is not a required component for the RTK-PPK module. 

## Tribmle R980 Documentation

To view Trimble's documentation on the R980 Base Station, click this link.

{% embed url="<https://help.fieldsystems.trimble.com/r980/home.htm>" %}
Trimble R980 Documentation Link
{% endembed %}

***

## Software Setup for RTK

{% stepper %}
{% step %}

### Connect Device to R980 via Wi-Fi

For documentation on connecting to the base station click this link

{% embed url="<https://help.fieldsystems.trimble.com/r980/initial-setup-8-connect-to-web-interface-r980.htm>" %}
{% endstep %}

{% step %}

### Configure I/O Settings

Once your are connected to the Base Station in the web interface, click the I/O Configuration Tab on the left hand side bar.&#x20;

<figure><img src="/files/VN4Ou4iWo8TKFUF07gNH" alt=""><figcaption></figcaption></figure>

Click on the second Serial in the Type column. Verify that it is the Ext-Serial Port and not the Lemo Port.

<figure><img src="/files/WHZDxkOok8KNLNEtCQGB" alt=""><figcaption></figcaption></figure>

Update I/O Configuration Settings to match the image below.

<figure><img src="/files/kGTUpw8yiCIqR8Os8Qf0" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}

***

## Software Setup for PPK

{% stepper %}
{% step %}

### Connect Device to R980 via Wi-Fi

For documentation on connecting to the base station click this link

{% embed url="<https://help.fieldsystems.trimble.com/r980/initial-setup-8-connect-to-web-interface-r980.htm>" %}
{% endstep %}

{% step %}

### Configure Data Logging Settings

Click the Data Logging tab on the left hand side bar

<figure><img src="/files/ceiQOgAAVckTygHKpSyK" alt=""><figcaption></figcaption></figure>

Click on Default

<figure><img src="/files/p90Oy1iTJHlN0zxSgyku" alt=""><figcaption></figcaption></figure>

Update Data logging Settings to match the image below.

<figure><img src="/files/1bfofz4eIb5QZ8ureSD9" alt=""><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}

## Hardware Setup

{% stepper %}
{% step %}

### Mount The R980

Mount the R980 base station to a survey pole or tripod.&#x20;

<figure><img src="/files/bpIhcb1kinY3q9ZSd7EK" alt="" width="375"><figcaption></figcaption></figure>

{% endstep %}

{% step %}

### Connect Ground Radio (RTK ONLY)

{% hint style="info" %}
This step is only required when operating with RTK.&#x20;
{% endhint %}

Connect the Sentera ground radio to the R980 using the Limo to USB cable.&#x20;

First open the black rubber tab with the USB symbol on it

<figure><img src="/files/TvDZw0JkQ0cpuqwsYOL8" alt="" width="375"><figcaption></figcaption></figure>

{% hint style="info" %}
The Serial Port for USB communication can be identified by the yellow ring around it
{% endhint %}

Then insert the Lemo to USB Cable adapter, and connect a USB-a to USB-c cable.

<figure><img src="/files/gdgE1zzz3jC53qD6vA6i" alt="" width="375"><figcaption></figcaption></figure>

Attach the USB-c cable to the Sentera Ground Radio

<figure><img src="/files/gMhyt3FTxkTgm0OGpxtQ" alt="" width="375"><figcaption></figcaption></figure>
{% endstep %}

{% step %}

### Place The Radio (RTK ONLY)

{% hint style="info" %}
This step is only required when operating with RTK.&#x20;
{% endhint %}

Place the Sentera ground radio such that the antenna is pointed towards the sky.&#x20;

The Sentera ground radio has an integrated magnet and a 1/4"-20 thread mount that can be utilized for mounting as the end user sees fit.&#x20;
{% endstep %}

{% step %}

### Verify the Antenna is Mounted on the Drone (RTK ONLY)

{% hint style="info" %}
This step is only required when operating with RTK.&#x20;
{% endhint %}

Install the Antenna per the manufacturer instruction

{% endstep %}
{% endstepper %}