# NTRIP Clients and Field Software

## How it Works

Understanding the data flow helps you troubleshoot connections in seconds.

1. **Connect:** Your app connects to the RTKdata Caster (Server) via Internet.
2. **Locate:** The app sends your approximate position via **NMEA GGA** message.
3. **Stream:** The Caster calculates corrections for that specific location and streams them back (RTCM).
4. **Fix:** Your Rover calculates the exact position: `Autonomous` → `Float` → `FIX` (✅).

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## Universal Connection Settings

Enter these details into your application (e.g., SW Maps, Lefebure, FieldGenius).

> Select your Region: Click the tabs below to find the fastest server for your location.

### North America

* **Host (domain):** `rtk.rtkdata.com`
* **Host (IP fallback):** `13.56.117.10`
* **Port:** `2101`
* **Username / Password:** From *RTK Credentials* in the [RTKdata Dashboard](https://rtkdata.com/my-account/rtk-credentials/) (not website login)
* **Mountpoint (ALL CAPS):** `AUTO` *(recommended)* — or `AUTO_WGS84`, `AUTO_ITRF2020`, `AUTO_ITRF2014`

### Europe

* **Host (domain):** `eu.rtkdata.com`
* **Host (IP fallback):** `3.73.41.96`
* **Port:** `2101`
* **Username / Password:** From *RTK Credentials* in the [RTKdata Dashboard](https://rtkdata.com/my-account/rtk-credentials/) (not website login)
* **Mountpoint (ALL CAPS):** `AUTO` *(recommended)* — or `AUTO_WGS84`, `AUTO_ITRF2020`, `AUTO_ITRF2014`

### Australia

* **Host (domain):** `aus.rtkdata.com`
* **Host (IP fallback):** `54.206.56.130`
* **Port:** `2101`
* **Username / Password:** From *RTK Credentials* in the [RTKdata Dashboard](https://rtkdata.com/my-account/rtk-credentials/) (not website login)
* **Mountpoint (ALL CAPS):** `AUTO` *(recommended)* — or `AUTO_WGS84`, `AUTO_ITRF2020`, `AUTO_ITRF2014`

> **Mountpoints are Case Sensitive.** You must type `AUTO` in ALL CAPS.

***

## Popular App Guides

Select your software to view the specific step-by-step configuration.

### Free & GIS Apps (Android/iOS)

* [SW Maps](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/sw-maps) - *Best free tool for testing & GIS.*
* [Emlid Flow](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/emlid-flow) - *Standard for Reach RS2/RS3.*
* [Lefebure NTRIP Client](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/lefebure-ntrip-client) - *Classic NTRIP injector.*
* [GNSS Master](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/gnss-master) - *Best NTRIP relay & mock location app (Android).*
* [MapIt GIS](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/mapit-gis) - *Android GIS with built-in NTRIP & RTK processing.*

### Professional Surveying Software

* [MicroSurvey FieldGenius](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/fieldgenius) - *Windows & Android.*
* [Carlson SurvPC / SurvCE](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/carlson-survpc) - *The surveyor's standard.*
* [QField / QGIS](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/qfield) - *Open Source Mobile GIS.*
* [HYPACK](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/hypack) - *Marine / hydrographic survey (Windows).*

### Hardware Tools

* [u‑center (u‑blox F9)](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/u-center-u-blox-f9) - *For chip configuration (F9P).*
* [Septentrio RxTools](https://docs.rtkdata.com/integration-hub/ntrip-clients-and-field-software/septentrio-rxtools) - *Deep dive analysis.*

> **Don't see your app?** Use the Universal Settings above.