Emlid REACH M2 Operator's manual

REACH M2/M+

USER DOCUMENTATION

Firmware version 30

Emlid Flow app version 8.1 or newer

June 15, 2023

Table of contents

1 Before you start 6

1.1 Firstsetup ......................................... 6

1.1.1 DownloadEmlidFlow .............................. 6

1.1.2 Connectantenna................................. 6

1.1.3 PowerupReachM2/M+............................. 7

1.1.4 ConnecttoReachM2/M+ ............................ 7

1.1.5 SetupWi-Ficonnection ............................. 8

1.1.6 UpdateReachFirmware............................. 10

1.2 Connecting to Reach M2/M+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.1 Setting up Wi-Fi connection . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.2.2 Connecting to Reach using Emlid Flow . . . . . . . . . . . . . . . . . . . . 12

1.3 Antennaplacement.................................... 13

1.3.1 Clear sky view without obstacles . . . . . . . . . . . . . . . . . . . . . . . . 13

1.3.2 No electronics nearby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.3.3 Groundplane................................... 14

1.4 Hardwareintegration .................................. 15

1.4.1 ConnectingUARTradio ............................. 15

1.4.2 3DRRadio ..................................... 15

1.4.3 RFD900Radio................................... 16

1.4.4 Connecting USB radio or LTE modem . . . . . . . . . . . . . . . . . . . . . 16

1.4.5 ConnectingLoRaradio.............................. 16

2 Quickstart 18

2.1 Connecting Reach to internet via Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . . . 18

2.1.1 Get access to Reach in Emlid Flow . . . . . . . . . . . . . . . . . . . . . . . 18

2.1.2 Conﬁgure Wi-Fi connection settings in Emlid Flow . . . . . . . . . . . . . . 18

2.1.3 Access Reach in your Wi-Fi network . . . . . . . . . . . . . . . . . . . . . . 19

2.2 Connecting Reach to internet via mobile hotspot . . . . . . . . . . . . . . . . . . 20

2.2.1 Get access to Reach in Emlid Flow . . . . . . . . . . . . . . . . . . . . . . . 20

2.2.2 Conﬁgure Wi-Fi connection settings in Emlid Flow . . . . . . . . . . . . . . 20

2.2.3 Access Reach in your Wi-Fi network . . . . . . . . . . . . . . . . . . . . . . 22

2.3 WorkingwithNTRIP.................................... 22

2.3.1 Overview...................................... 22

2.3.2 AddNTRIPproﬁle................................. 22

2.3.3 Connect Reach M2/M+ to the internet . . . . . . . . . . . . . . . . . . . . . 24

2.3.4 Conﬁgure Reach M2/M+ as rover . . . . . . . . . . . . . . . . . . . . . . . 24

2.3.5 Provide Reach M2/M+ with clear sky view . . . . . . . . . . . . . . . . . . 26

2.3.6 How to log data for PPK UAV mapping . . . . . . . . . . . . . . . . . . . . 27

2.3.7 Conﬁgure logging on the rover . . . . . . . . . . . . . . . . . . . . . . . . . 27

2.3.8 Conﬁgure logging on the base . . . . . . . . . . . . . . . . . . . . . . . . . 30

2.3.9 Downloadlogs .................................. 31

2.4 HowtologdataforPPP ................................. 32

2.4.1 Overview...................................... 32

2.4.2 Recording RINEX logs on Reach . . . . . . . . . . . . . . . . . . . . . . . . . 32

2.4.3 Downloadinglogs................................. 34

2.5 HowtologdataforOPUS ................................ 35

2.5.1 Overview...................................... 35

2.5.2 Recording RINEX logs on Reach . . . . . . . . . . . . . . . . . . . . . . . . . 35

2.5.3 Downloadinglogs................................. 38

3 Tutorials—Basics 39

3.1 Single-band vs Multi-band . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

3.1.1 Gettingstarted .................................. 39

3.1.2 What’sthediﬀerence .............................. 39

3.1.3 Whichonetochoose............................... 41

3.1.4 Conclusion..................................... 41

3.2 HowRTKworks ...................................... 41

3.2.1 High real-time precision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.2.2 Corrections over NTRIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

3.3 HowPPKworks ...................................... 42

3.3.1 Deﬁnitions and diﬀerences from RTK . . . . . . . . . . . . . . . . . . . . . 43

3.3.2 PPKforUAVmapping .............................. 43

3.4 Placingthebase...................................... 44

3.4.1 Absolute and relative position . . . . . . . . . . . . . . . . . . . . . . . . . 45

3.4.2 Waystosetthebase............................... 46

3.4.3 Manual....................................... 47

3.4.4 Average ...................................... 48

3.4.5 Post-Processed Kinematics . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

3.4.6 Precise Point Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

3.4.7 Placing the base station in the ﬁeld . . . . . . . . . . . . . . . . . . . . . . 51

3.4.8 PlacingReachRS/RS+ .............................. 51

3.4.9 Placing Reach RS2/RS2+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

4 Tutorials—PPK mapping with Reach 53

4.1 Conﬁguring Reach UAV kit for PPK mapping . . . . . . . . . . . . . . . . . . . . . 53

4.1.1 Overview...................................... 53

4.1.2 Reach M2/M+ hardware setup . . . . . . . . . . . . . . . . . . . . . . . . . 53

4.1.3 Reach RS2/RS2+/RS+ base setup . . . . . . . . . . . . . . . . . . . . . . . . 56

4.1.4 Conﬁguring base and rover before ﬂight . . . . . . . . . . . . . . . . . . . 57

4.1.5 Placing ground control points . . . . . . . . . . . . . . . . . . . . . . . . . 58

4.1.6 Surveyﬂight.................................... 59

4.2 Geotagging photos with Emlid Studio . . . . . . . . . . . . . . . . . . . . . . . . . 59

4.2.1 Overview...................................... 59

4.2.2 Gettingstarted .................................. 59

4.2.3 Post-processing.................................. 60

4.2.4 Geotagging .................................... 62

4.3 Creating map in Pix4Dmapper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

4.3.1 Overview...................................... 64

4.3.2 Createanewproject............................... 64

4.3.3 ImportGCPs.................................... 66

4.3.4 Processdata.................................... 68

4.3.5 Getresults..................................... 69

5 Tutorials—Integration with external software and devices 71

5.1 Getting Reach coordinates on Android via BT . . . . . . . . . . . . . . . . . . . . 71

5.1.1 Overview...................................... 71

5.1.2 Pairing Reach with Android device . . . . . . . . . . . . . . . . . . . . . . . 71

5.1.3 Access Reach rover using Emlid Flow . . . . . . . . . . . . . . . . . . . . . 71

5.1.4 Access an Android device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

5.1.5 Position streaming from Reach to Android . . . . . . . . . . . . . . . . . 73

5.1.6 Androidmocklocation.............................. 74

5.2 ArduPilotintegration................................... 77

5.2.1 Overview...................................... 78

5.2.2 Recommendedsetup .............................. 78

5.2.3 Connect Reach to Autopilot . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

5.2.4 Conﬁgure Reach Module to work with ArduPilot . . . . . . . . . . . . . . . 80

5.2.5 Set up a correction link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

5.2.6 Conﬁgure Radio to embed corrections Into telemetry . . . . . . . . . . . 82

5.2.7 Conﬁgure ArduPilot to accept Reach Module solution . . . . . . . . . . . 82

5.2.8 Setupyourbase ................................. 84

5.2.9 Conﬁgure mission planner to inject corrections into telemetry . . . . . . 85

6 Speciﬁcations 88

6.1 Mechanicalspecs..................................... 88

6.2 Dimensions ........................................ 88

6.3 Connectorsmatingparts ................................ 88

6.4 Electricalspecs ...................................... 89

6.4.1 Maximumratings................................. 89

6.4.2 Connectorspinout ................................ 89

6.5 USBOTG .......................................... 89

7 LED status 90

8 Power supply 90

8.1 PowersupplyoverUSB ................................. 91

8.2 Powering using JST-GH ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

9 Troubleshooting 93

9.1 Howtoupdateﬁrmware................................. 93

9.1.1 Overview...................................... 93

9.1.2 When to update your Reach . . . . . . . . . . . . . . . . . . . . . . . . . . 93

9.1.3 Updateﬁrmware ................................. 93

9.1.4 Roll back from Beta to stable . . . . . . . . . . . . . . . . . . . . . . . . . . 95

9.2 Firmwarereﬂashing ................................... 95

9.2.1 Reach Firmware Flash Tool installation . . . . . . . . . . . . . . . . . . . . 95

9.2.2 Windowsinstallation............................... 96

9.2.3 Ubuntuinstallation................................ 96

9.2.4 macOSinstallation ................................ 96

9.2.5 Reﬂash your Reach M2/M+ . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

9.3 How to download Simple system report . . . . . . . . . . . . . . . . . . . . . . . 99

9.3.1 Overview...................................... 99

9.3.2 Download Simple system report . . . . . . . . . . . . . . . . . . . . . . . . 100

9.4 How to download Full system report . . . . . . . . . . . . . . . . . . . . . . . . . 100

9.4.1 Overview...................................... 100

9.4.2 Download Full system report . . . . . . . . . . . . . . . . . . . . . . . . . . 100

9.5 Howtoﬁndserialnumber................................ 101

9.5.1 Overview...................................... 101

9.5.2 Findserialnumber................................ 101

9.6 How to enable raw data debug option . . . . . . . . . . . . . . . . . . . . . . . . . 102

9.6.1 Overview...................................... 102

9.6.2 Enable raw data debug option . . . . . . . . . . . . . . . . . . . . . . . . . 102

9.7 How to restore initial settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103

9.7.1 Overview...................................... 103

9.7.2 Workﬂow...................................... 103

10 Glossary 106

1 Before you start

1.1 First setup

In this tutorial, we will walk you through the following steps:

•Installing the Emlid Flow app

•Connecting and placing a GNSS antenna

•Connecting to Reach M2/M+

•Performing ﬁrmware update

To do that, you will need Reach itself, an external GNSS antenna, a Wi-Fi network with internet

access and a smartphone or tablet.

1.1.1 Download Emlid Flow

To manage Reach M2/M+, download the Emlid Flow app on your mobile device iOS or Android

mobile device.

Using Reach with Andoid devices: Some Android devices have the Battery optimization setting

enabled by default. Make sure you disabled it for Emlid Flow to avoid disconnection.

1.1.2 Connect antenna

To connect the antenna to Reach, follow the steps below:

For Reach M2

Plug the antenna cable into MCX socket on

Reach M2.

For Reach M+

Plug the antenna cable into MCX socket on

Reach M+. Place the antenna on the ground

plane. It could be a cut piece of metal more

than 100 mm in diameter, roof of a car, or

metal roof of a building.

Caution: There should be no obstacles near the antenna that could block the sky view higher

than 30 degrees above the horizon. Do not test the device indoors or near buildings. Do not cover

the sky view for the antennas with laptops, cars or yourself. RTK requires good satellite visibility

and reception.

Tip: To learn how to properly place the antenna, check the Antenna placement guide.

1.1.3 Power up Reach M2/M+

To power up your Reach, follow the steps below:

1. Take a Micro-USB to USB cable that comes with the package.

2. Plug the Micro-USB end of the cable into the Micro-USB port on Reach and plug another

end into a 5 V power source such as a USB power bank, USB wall adapter or USB port

of a computer.

Caution: Do not plug two power supplies at the same time as it may damage the device.

After the device is powered up, the Network LED will be blinking for about 30 seconds and

then become solid. Reach is now broadcasting Wi-Fi.

Tip: You can read more about power supply in the Power supply guide.

1.1.4 Connect to Reach M2/M+

Using Reach with Android device: Turn oﬀ the mobile data on your device before connecting

to Reach’s hotspot.

To connect to your Reach, follow the steps below:

•Open a list of Wi-Fi networks on your smartphone or tablet.

•Connect to a network named reach:xx:xx.

•Type network password: emlidreach.

Once you successfully connected to Reach’s hotspot, you can go to Emlid Flow and set up

connection to your Wi-Fi network.

1.1.5 Set up Wi-Fi connection

Note: Make sure that your Wi-Fi network uses 2.4 GHz band.

To connect Reach to your Wi-Fi network, follow the steps below:

1. Open Emlid Flow and choose your Reach from the list.

2. Tap the Set up Reach button to open Updater for further setup process.

3. Name your Reach and apply changes.

4. Select your Wi-Fi network from the list of available networks.

5. Enter the password and tap Connect.

Reach M2/M+ will stop broadcasting Wi-Fi and connect to your network. The Network LED

will blink rapidly while scanning for networks. Once Reach connects to Wi-Fi, the LED will

start blinking slowly.

When the connection of Reach with the Wi-Fi network is established, you can connect to

your unit using Emlid Flow:

1. Connect your smartphone or tablet to the same Wi-Fi network.

2. Open the Emlid Flow app.

3. Choose your Reach from the list of available devices.

Note: If there is only one receiver, the app will automatically try to connect to this Reach.

Tip: If your device did not connect to your Wi-Fi network, it will switch back to hotspot mode. In

that case, repeat the steps and double-check the network name and password.

1.1.6 Update Reach Firmware

After connecting to Reach M2/M+, the app will check available ﬁrmware updates. Follow the

steps below to get the latest update:

1. Wait until Emlid Flow checks for the latest update. If there is an update available, it will

start the updating process.

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