> For the complete documentation index, see [llms.txt](https://rtkdocs.geodnet.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rtkdocs.geodnet.com/ppk-service/introduction.md).

# Introduction

**What is PPK Service**

PPK Service provides GNSS base station raw RTCM data downloads, offering historical RTCM data for post-processing services or other related scientific research.

**How to obtain an account**

Please submit your application to <support@geodnet.com> , and we will provide your account information as soon as possible.

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<summary>Tip</summary>

The account system in PPK Service is independent and cannot be used interchangeably with other services.

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