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User Guide: RTK Handheld Surveyor Kit

Overview

NTRIP Handheld surveyor kit + hand

Portable survey performance that fits your hand. Includes accessories.
With the RTK Handheld Surveyor Kit you will have everything you need to start your surveying tasks with RTK and centimeter level accuracy.

Package

You got your new RTK Handheld Surveyor Kit? First things first, you are in the right page to get your kit set up quickly.

Remember all the component parts of this professional kit:

– ZED-F9P RTK receiver with USB and Bluetooth inside a plastic case
Helical antenna
– USB-C cable
USB OTG microUSB-B (14cm)
– USB OTG type C (22cm)
– Universal smartphone holder with 3M-Backed Rubber Pads, fits any smartphone from 5.3cm to 9.3cm with or without case
– Hand holder
– Velcro strap (20cm) to fix the receiver to the back of the smartphone holder

The kit is pre-configured to send NMEA data simultaneously via Bluetooth and USB.

Unboxing

For building RTK Handheld Surveyor Kit, there is no need for special tools nor nothing of the sort, by hand will be enough.

1. Mount the Universal smartphone holder to the hand holder. You will see that the screw end of the hand holder fits with the smartphone holder hole.

2. Mount the plastic case (ZED-F9P RTK receiver with USB and Bluetooth within) to the smartphone holder. You will find the plastic case in a small box along with the helical antenna. To do this, fit the flat edge of the case with the outher part of the smartphone holder with the SMA connector facing up, and fasten it together with the velcro strap.

3. Add the helical antenna on top of the the plastic case  screwing in the SMA connector.

4. Connect the mini USB cable to the mini USB board connector of the plastic case.

5. Place your smartphone to the Universal smartphone holder, adjusting it to the width of your phone.

6. Join the USB OTG to the mini USB cable and connect with your smartphone.

7. Now you have your new RTK Handheld Surveyor Kit built and ready to function!

8.The kit can be used for about 6-8 hours with an average phone powering.

Note: If the you need more than this, use USB-C on-the-go (OTG) with external USB-C power supply (optional, not included in the package) and a small external 1’000mAh powerbank.

How to connect to your smartphone

We will explain how to use your Android device with RTK Handheld Surveyor Kit.

  1. Make sure your device supports Bluetooth 2.0 or has USB OTG capabilities.
  2. Make sure your Android language is set to English, since some users reported compatibility problems with other languages.
  3. Place your RTK Handheld Surveyor Kit in a location with good view of the sky, or near a window for testing the functionality.
  1. Download compatible software/app  which you prefer to use from Google Play and install it in your device. We prepared step-by-step instructions how to use RTK Handheld Surveyor kit with several software/app:

How to use RTK Handheld Surveyor Kit with SW Maps?

  1. Since you have a RTK capable GNSS receiver, let’s connect it to a NTRIP server to get cm accuracy. Go back to SW Maps menu and select NTRIP Connection.
  2. Fill all the fields with your NTRIP provider data. Make sure to check Send NMEA GGA to NTRIP Caster if you are connecting to a VRS. If you do not know how to find NTRIP provider in your area, we have prepared a list of RTK Correction Services in your Country, check the page to find suitable service for you.
  3. When you click CONNECT, if everything worked, you will see the data stream alive.
  4. Go to the SW Maps menu and select GPS Status or Skyplot. You can see the actual position with centimeter accuracy in text format of your of your Ardusimple receiver and information about the satellites there. how to use ArduSimple productc with SW maps on Android device4
  5. You can click the button that is highlighted in red to make the app center the map in your receiver location. The pointer showing your location will change its color depending on the fix status of your receiver. Additionally, you have the option to adjust the map layer, include points, tracks, as well as import or export recorded locations, among other features.
  6. You can get used to the SW Maps app by exploring its various options.  If you prefer a guide, you can access the User Manual here.

How to use RTK Handheld Surveyor Kit with Mapit GIS?

Firstly, pair your receiver to your Android smartphone or tablet.

  1. Power your RTK receiver by connecting USB cable to the power supply (smartphone/tablet/ compatible powerbank). If you get any pop-up message to connect the USB device with any app, you can ignore it.
  2. Enable the Bluetooth of your smartphone or tablet , and pair it with your RTK receiver.
    When pairing your device, notice that it will appear as RTK_GNSS_***. The password is always 1234.
    The pairing only needs to be done once. Unlike other Bluetooth devices, it won´t show as “connected” until you click “connect” button in an app.
  1. Place RTK antenna in a location with good view of the sky or near a window for testing the functionality.

Secondly, connect your receiver to Mapit GIS via Bluetooth.

  1. Open Mapit GIS. Go to Settings. Tap on External GNSS.
  1. Enable Direct Connection to External GNSS.
  1. In the pop-up window choose the device you paired in step 2.
  1. Back to the main screen, tap on the antenna icon you will see you are using External GNSS and with location and satellites information.

Thirdly, reach centimeter level accuracy.

In step 6, we can see the accuracy is not satisfactory yet. Because RTK receiver will need a base station or a correction service to reach centimeter level accuracy.

There is a build in NTRIP Client function in Mapit GIS, but it is not compatible with new Android version and it is not free. If it doesn’t work on your android device don’t worry, we have alternative GNSS Master app to overcome this limitation.

  1. After accessing to NTRIP correction service you can see in MapitGIS that the accuracy is at the centimeter level.

Now you are ready to map and survey in a variety of applications from agriculture and forestry to road construction, geology, land surveying with centimeter level accuracy on your Android device.

How to use RTK Handheld Surveyor Kit with Other software?

If you need to use Surveyor kit with any other software, we will explain how to configure Ardusimple RTK receivers to be used as mock location for Android smartphones/tablets in order to get centimeter position accuracy.

If you are not familiar with the term, mock location means that you cheat your Android device to use an external GNSS receiver as if it was its own internal one. This has the advantage that any GPS/GNSS app that works with your Android device can benefit of centimeter level accuracy.

Firstly, install GNSS Master app and enable mock location in your Android Device.

This step only needs to be done once.

  1. Install GNSS Master app on your Android device from the Google Play Store. When you first open the app, you will be asked to allow certain permissions to GNSS Master.
  • Location Permission
  • Display Notifications
    Once you accept the permissions, the Status page will load, showing the current status of the app. We will configure it later.
  1. To enable mock locations in Android we will need to get Developer permissions. The procedure may vary slightly between different Android versions and smartphone models (you can Google your “Smartphone model + enable mock location” if you can’t find the exact options).
  2. On Android 4.1 and lower, the Developer options screen is available by default. On Android 4.2 and higher, you must enable this screen. To enable developer options, tap the Build Number, MIUI version or similar option 7 times.
  1. You can find this option in one of the following locations, depending on your Android version:
  • Settings –> About Phone –> Build Number
  • Settings –> System –> About Phone –> Build Number
  1. Once you have access to Developer options, you can go to Settings –>Additional Settings and at the bottom you will find Developer options. In this big list, tap Select mock location app and select GNSS Master from the list.
  1. Connect the GNSS antenna to your device, in a location with good view of the sky, or near a window for testing the functionality.

Secondly, connect the RTK receiver to your Android device.

  1. Go back to main menu. Now you should see in GNSS Receiver Connection it says Connected and with data transfer.
  1. Open Correction Input by clicking on the gear icon.
  1. In Mode choose NTRIP Client and press the + button next to NTRIP Connections.
  1. Set your NTRIP Client credentials (Caster IP, Caster Port, Username and Password). If you don´t know how to do it, have a look at this tutorial.
    Press SAVE.
  1. Press CONNECT. In Status you will see GNSS Receiver Connection and Correction Input showing Connected and with data communication.
  1. You can check your location and available satellites in Skyplot.
  1. Open your favorite GPS/GNSS application and use it as usual.

    You will be using the external RTK GNSS receiver instead of the smartphone/tablet internal GPS receiver. Following image is the example of SW Maps.

  1. We have tested this functionality with many apps, you can find them in this link.
    If you test it in other apps, you can send us an email at info@ardusimple.com and we will add it to the list.
    The Android robot is reproduced or modified from work created and shared by Google and used according to terms described in the Creative Commons 3.0  Attribution License.

Related tutorials

How to reset the kit to Factory settings?

The kit is pre-configured to send NMEA data simultaneously via Bluetooth and USB.

If you change any settings and the product stops working, you can revert to factory setting by following these steps:

  1. Connect the receiver with your computer or PC via the USB.
  2. Run u-blox u-center (you can download it here) and connect to the proper COM port.
  3. Go to View –>Message View and navigate to UBX–>MON–>VER.
  4. You can read the firmware version in the window:



  5. Download configuration file:
  6.  In u-center Open Tools -> Receiver Configuration, pick your file that you dowload on the previous step and click Transfer File -> GNSS button.
  7. Once the configuration is done, go to Receiver->Action->Save Config to save the configuration of the RTK receiver

Accessories

Here you can find affordable accessories for  RTK Handheld Surveyor Kit.

EU Conformity & RoHS Certificates

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