> 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/standard-operating-procedures/ppk.md).

# PPK

## CORs/VRS

{% content-ref url="/pages/kGiUjyygVztSZi556Jv4" %}
[CORS/VRS](/home/rtk-ppk-module/standard-operating-procedures/ppk/cors-vrs.md)
{% endcontent-ref %}

## Base Stations

{% content-ref url="/pages/UYsIaXYmFJh0xfk1cw1Z" %}
[Emlid Reach RS2](/home/rtk-ppk-module/standard-operating-procedures/ppk/base-stations/emlid-reach-rs2.md)
{% endcontent-ref %}

{% content-ref url="/pages/o3UkGCRUHALz9IjaopEr" %}
[Trimble R980](/home/rtk-ppk-module/standard-operating-procedures/ppk/base-stations/trimble-r980.md)
{% endcontent-ref %}