> 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/emlid-base-stations/emlid-reach-rs2-2+.md).

# Emlid Reach RS2/2+

The Emlid Reach RS2 is a capable 3rd party base station that enables RTK and PPK workflows. It is not a required component for the RTK-PPK module. 

## Emlid RS2 Documentation

To view Emlid's documentation on the Reach RS2 Base Station, click this link.

{% embed url="<https://docs.emlid.com/reachrs2/>" %}
Emlid Reach RS2+ Documentation
{% endembed %}

***

## Software Setup for RTK

{% stepper %}
{% step %}

### Download Emlid Flow App

{% embed url="<https://apps.apple.com/us/app/emlid-flow/id1463967138>" %}
Emlid Flow iOS download
{% endembed %}

{% embed url="<https://play.google.com/store/apps/details?gl=US&hl=en&id=com.emlid.reachview3&pli=1>" %}
Emlid Flow Android Download
{% endembed %}
{% endstep %}

{% step %}

### Connect Device to RS2 via Bluetooth or Wi-Fi

For documentation on connecting to the base station click this link

{% embed url="<https://docs.emlid.com/reachrs2/before-you-start/connecting-to-reach/>" %}
Reach RS+ Connecting to Smart Phone Documentation
{% endembed %}
{% endstep %}

{% step %}

### Configure Output Settings

Once your are connected to the Base Station in the Emlid Flow App, open the Base Output setting menu

<figure><img src="/files/AwKMl8Pb1S1hVxcgQ0yP" alt="" width="188"><figcaption><p>Base Output</p></figcaption></figure>

Click Serial to select it as the Base Output type. Then click the pencil icon to edit the serial settings

<figure><img src="/files/EWy7dLA387EKX9AQ6FBW" alt="" width="188"><figcaption><p>Serial</p></figcaption></figure>

Click USB OTG to select it as the Serial Type.

<figure><img src="/files/ydVypAwvqwu4S0CUGJSE" alt="" width="188"><figcaption><p>USB OTG</p></figcaption></figure>

Click Baud Rate to edit it.&#x20;

<figure><img src="/files/9qNVFR7TkSNYji3x7VX9" alt="" width="188"><figcaption></figcaption></figure>

Click 115200 to select it as the Baud Rate. &#x20;

<figure><img src="/files/txwjQzd6RupP5Y6yU9kU" alt="" width="188"><figcaption></figcaption></figure>
{% endstep %}
{% endstepper %}

***

## Software Setup for PPK

{% stepper %}
{% step %}

### Download Emlid Flow App

{% embed url="<https://apps.apple.com/us/app/emlid-flow/id1463967138>" %}
Emlid Flow iOS download
{% endembed %}

{% embed url="<https://play.google.com/store/apps/details?gl=US&hl=en&id=com.emlid.reachview3&pli=1>" %}
Emlid Flow Android Download
{% endembed %}
{% endstep %}

{% step %}

### Connect Device to RS2 via Bluetooth or Wi-Fi

For documentation on connecting to the base station click this link

{% embed url="<https://docs.emlid.com/reachrs2/before-you-start/connecting-to-reach/>" %}
Reach RS+ Connecting to Smart Phone Documentation
{% endembed %}
{% endstep %}

{% step %}

### Configure Settings

Once your are connected to the Base Station in the Emlid Flow App, open the settings menu.&#x20;

<figure><img src="/files/7e9d9UCTaPBFrpUwKRQM" alt="" width="188"><figcaption></figcaption></figure>

Click on GNSS Settings.

<figure><img src="/files/PMFsJDcCwX6doqizIbur" alt="" width="188"><figcaption></figcaption></figure>

Verify that GNSS update rate is set to 5Hz.

<figure><img src="/files/ZHAHT04vc07IKUw5YwRc" alt="" width="188"><figcaption></figcaption></figure>

Return to the home page and click on logging.

<figure><img src="/files/kVLlEAW5A7epGDB4Ef6e" alt="" width="188"><figcaption></figcaption></figure>

Click Recorded Logs and Settings.&#x20;

<figure><img src="/files/bujSXGDSfjiXGD1AdDcL" alt="" width="188"><figcaption></figcaption></figure>

Click the blue gear icon.&#x20;

<figure><img src="/files/FXr8ps3BboEMwUufirJh" alt="" width="188"><figcaption></figcaption></figure>

Verify the Format is set to RINEX 3.03.

<figure><img src="/files/jKvbeEdxakS5XpeAZh1c" alt="" width="188"><figcaption></figcaption></figure>

Scroll down to Common Settings and enable the Autostart feature.&#x20;

<figure><img src="/files/PCU5a9Qa0i9RdoZdNkm1" alt="" width="188"><figcaption></figcaption></figure>

Click Apply, and your RS2 will now automatically start logging PPK data when powered.

{% hint style="info" %}
To manually start logging, click the Start Recording button in the logging section.
{% endhint %}
{% endstep %}
{% endstepper %}

## Hardware Setup&#x20;

{% stepper %}
{% step %}

### Mount The RS2

Mount the RS2 base station to a survey pole or tripod.&#x20;

<figure><img src="/files/qSFglNDgVeS23yGattNy" alt="" width="188"><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 RS2 using a USB-C to USB-C Cable.&#x20;

<figure><img src="/files/8p0NHv6DqHmFjWCo3ls0" alt="" width="375"><figcaption></figcaption></figure>

{% hint style="info" %}
The USB-C port on the Emlid Base Station can be found underneath the blue rubber tab.&#x20;
{% endhint %}
{% 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 %}