# PPK

## CORs/VRS

{% content-ref url="ppk/cors-vrs" %}
[cors-vrs](https://support.senterasensors.com/home/rtk-ppk-module/standard-operating-procedures/ppk/cors-vrs)
{% endcontent-ref %}

## Base Stations

{% content-ref url="ppk/base-stations/emlid-reach-rs2" %}
[emlid-reach-rs2](https://support.senterasensors.com/home/rtk-ppk-module/standard-operating-procedures/ppk/base-stations/emlid-reach-rs2)
{% endcontent-ref %}

{% content-ref url="ppk/base-stations/trimble-r980" %}
[trimble-r980](https://support.senterasensors.com/home/rtk-ppk-module/standard-operating-procedures/ppk/base-stations/trimble-r980)
{% endcontent-ref %}