Eos Arrow Gold / Arrow 100

These steps connect an Eos Arrow Gold / Arrow 100 to the Premium Positioning correction network over NTRIP, using Eos Tools Pro (+ a GIS app). They assume you already have your NTRIP credentials.

Before you start

• Your NTRIP username and password, from your Premium Positioning welcome email or your account on the customer portal.

• Eos Tools Pro (+ a GIS app).

• A working internet connection on the controller or phone.

• A clear view of the sky at the point you are measuring.

Network settings

These are the same for every Premium Positioning customer. Only your username and password are unique to you.

• Server or host: rtkpremium.xyz

• Port: 2101

• Mountpoint: COMMON

• Protocol: NTRIP

Steps

1. Charge and power on the Arrow: Power on your Arrow Gold (or Arrow 100/200) with a clear view of the sky. Have your GIS app (e.g. ArcGIS Field Maps) and Eos Tools Pro installed on the same phone/tablet.

2. Pair the Arrow over Bluetooth: iOS: pair the Arrow in system Settings > Bluetooth before opening Eos Tools Pro. Android: connect from within Eos Tools Pro (Android also needs Developer Options > mock location set to Eos Tools Pro, with 'Replace Device Location' enabled). Wait for connected status.

3. Confirm a raw GNSS position: Open Eos Tools Pro > Status menu > Position tab. Confirm coordinates are populated (autonomous/GPS solution) before adding corrections.

4. Open the NTRIP correction settings: Tap the Differential menu and select the NTRIP tab. Wording varies slightly by version/platform - look for the NTRIP / corrections section.

5. Set the protocol: Set Protocol to NTRIP (standard HTTP). Only use HTTPS if your provider tells you to.

6. Enter the caster address and port: IP Address / Server: rtkpremium.xyz Port: 2101 - the same for every Premium Positioning customer.

7. Enter your NTRIP credentials: Tap the Credentials field and enter YOUR OWN NTRIP username and password exactly as in your welcome email (case-sensitive); do not use anyone else's. Tap Done.

8. Retrieve the source table: Tap the Mountpoint field so Eos Tools Pro queries the caster and loads the source table. If it won't load, double-check host, port and credentials and confirm internet; you can also open rtkpremium.xyz:2101 in a browser to verify the source table downloads.

9. Select the COMMON mountpoint: From the list select COMMON - correct for all Premium Positioning customers. Tap Done.

10. Start streaming corrections: Tap Start Streaming. The Arrow begins receiving corrections (the green Tx LED blinks). You can enable Auto-start streaming and Save as New Profile for next time.

11. Confirm a Fixed RTK solution: Return to Status > Position and watch Autonomous → Float → Fixed (Android shows Diff Status = RTK Fixed). When Fixed, HRMS drops to a few cm, Diff Age settles ~1 - 2 s, and a Diff Station ID appears.

12. Use it in your GIS app: With Eos Tools Pro streaming in the background, open ArcGIS Field Maps (or your GIS app) and confirm it uses the Arrow's high-accuracy location. Keep Eos Tools Pro running while collecting.

If the fix will not hold

Menu/field names (Differential / NTRIP / Mountpoint / Credentials / Start Streaming) differ slightly between iOS and Android and app versions; choose the closest match. A Fixed solution needs clear sky and internet. If it won't fix, recheck host/port/COMMON and credentials, then stop and restart streaming.

For more, see RTK corrections troubleshooting and Fix inconsistent RTK accuracy on site.

Need help

Support is available 24/7. Include your receiver model, the mountpoint, the solution status, and the correction age when you get in touch.