# Coverage Map: How to Check RTK Coverage Before Field Work

{% hint style="success" %}
**Check coverage in your area before heading to the field:**\
[Open Live Coverage Map](https://rtkdata.com/coverage/)
{% endhint %}

RTKdata.com operates **20,000+ active reference stations worldwide** across **140+ countries and 4,600+ cities**, delivering centimeter-level positioning accuracy.

***

## How to Read the Map

The coverage map shows two zones:

* **2 cm zone** — RTK FIX reliable, survey-grade accuracy
* **2–10 cm zone** — RTK FIX achievable, good for mapping and agriculture

If your work area is inside a colored zone, RTKdata will work for you. If you're outside or near the edge, [start a free trial](https://rtkdata.com/try-rtk-corrections-free-for-30-days/) and test on-site — some areas have coverage beyond what the map shows.

***

## Before Field Deployment

1. **Check the map** — verify your project area has coverage: [rtkdata.com/coverage](https://rtkdata.com/coverage/)
2. **Test on-site** — run a quick outdoor FIX test before committing to a full survey day
3. **Note on heights** — elevation values are **ellipsoidal by default**. Apply a geoid model if you need orthometric (sea level) heights. See [Understanding Heights](/get-started/understanding-heights.md).

***

## Mountpoint Recommendation

Use the `AUTO` mountpoint — it automatically applies the correct regional datum:

| Region        | Datum applied by AUTO |
| ------------- | --------------------- |
| United States | NAD83(2011)           |
| Europe        | ETRS89 / ETRF2000     |
| Australia     | GDA2020               |
| New Zealand   | NZGD2000              |

For global applications, use `AUTO_WGS84` or `AUTO_ITRF2020`. See [Network & Mountpoints](/get-started/network.md) for details.

***

## No Coverage in Your Area?

* **Try it anyway** — the free trial lets you test. Coverage may extend beyond the map.
* **Host a base station** — RTKdata provides free hardware in exchange for 1 year of free service. See [Host a Base Station](/support/host-a-base-station.md).
* **Check back regularly** — the network is constantly expanding with new stations.

{% hint style="info" %}
[Start your 30-day Free Trial](https://rtkdata.com/try-rtk-corrections-free-for-30-days/) — no credit card required, auto-ends.
{% endhint %}


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