SEPTENTRIO PolaRx5S User Manual
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SEPTENTRIO PolaRx5S User Manual

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Summary of Contents for SEPTENTRIO PolaRx5S

  • Page 1 PolaRx5S User Manual...
  • Page 2 August 24, 2021 Thank you for choosing the PolaRx5S. This user manual provides detailed instructions on how to use PolaRx5S and we recommend that you read it carefully before you start using the device. Please note that this manual provides descriptions of all functionalities of the PolaRx5 product family.

  • Page 3: Table Of Contents

    External memory ..............12 3 Getting started with the PolaRx5S 5S .
  • Page 4 5 Scintillation monitoring with the PolaRx5S ............42...
  • Page 5 LIST OF CONTENTS Appendix B Rear-panel connectors Appendix C Cables Appendix D LED behaviour Appendix E 100 Hz Output Rate Appendix F Real-Time ISMR data Appendix G TEC Calibration Appendix H RxTools Appendix I Connecting to the PolaRx5S using RxControl...
  • Page 6 1 Introduction 1.1 User Notices 1.1.1 CE Notice PolaRx5S receivers carry the CE mark and are as such compliant with the 2004/108/EC - EMC Directive and amendments, 2006/95/EC - Low Voltage Directive, both amended by the CE-marking directive 93/68/EC. With regards to EMC, these devices are declared as class B, suitable for residential or business environment.
  • Page 7 1.1. USER NOTICES 1.1.3 Safety information Statement 1: The power supply provided by Septentrio (if any) should not be replaced by another. If you are using the receiver with your own power supply, it must have a double isolated construction and must match the specifications of the provided power supply.
  • Page 8 Further information can be found on our website or by contacting Septentrio’s Technical Support department. In case the PolaRx5S does not behave as expected and you need to contact Septentrio’s Technical Support department, you should attach a short SBF log file containing the support blocks and a Diagnostic Report of the receiver (see Section 6.3).

  • Page 9: Polarx5S Overview

    2 PolaRx5S overview 2.1 Hardware Specifications 2.1.1 Power Consumption The power consumption of the PolaRx5S depends on its configuration. The following settings directly influence the amount of power consumed: • The number of enabled GNSS frequency bands. For example, a receiver configured to track signals only in the L1 and L2 bands will consume less than a receiver configured to track in the L1, L2 and L5 bands.

  • Page 10: Polarx5S Design

    The front-panel layout of the PolaRx5S is shown in Figure 2-1. A description of the front-panel sockets as well as their PIN assignments can be found in Appendix A. The cables available for use with the PolaRx5S are listed in Appendix C and the LED behaviour is described in Appendix D.

  • Page 11: Rear Panel

    2.2. POLARX5S DESIGN 2.2.2 Rear panel Figure 2-2 shows the layout of the rear-panel connectors on the PolaRx5S. More information on these connectors can be found in Appendix B. Figure 2-2: PolaRx5S rear-panel layout 2.2.3 Powering the Receiver The receiver can be powered through either: •...

  • Page 12: Wifi Button

    The PolaRx5 has a 16 GB Memory for internal data logging. Data can be logged in SBF, RINEX, BINEX, NMEA or RTCM-MSM format and may be retrieved via the âĂŸLoggingâĂŹ menu of the web interface. 2.2.7 External memory The PolaRx5S can log data to an external memory device.

  • Page 13: Getting Started With The Polarx5S

    Before connecting an antenna, the orange front-panel tracking LED will be blinking fast indicating that the receiver is searching for satellites. After connecting an antenna that has a clear view of the sky, the PolaRx5S will start to track satellites and the tracking LED will...

  • Page 14: Connecting To The P

    3.3. CONNECTING TO THE POLARX5S VIA THE WEB INTERFACE start to blink more slowly. The number of blinks between pauses indicates the number of satellites being tracked as described in Appendix D. 3.3 Connecting to the PolaRx5S via the Web...
  • Page 15 The USB connection on the PolaRx5S functions as network adapter and the DHCP server running on the receiver will always assign the PolaRx5S the IP address 192.168.3.1. To connect to the PolaRx5S, you can then simply open a web browser using the IP address 192.168.3.1 as shown in Figure 3-5.

  • Page 16: Over Wifi

    The Web Interface can also be accessed over a WiFi connection. You can turn on the WiFi modem of the PolaRx5S by pressing firmly on the WiFi button as shown in Figure 3-6. Figure 3-6: Press firmly on the front-panel WiFi button to turn on the WiFi modem.
  • Page 17 3.3. CONNECTING TO THE POLARX5S VIA THE WEB INTERFACE When your PC has connected to the PolaRx5S WiFi signal, you can open a web browser using the IP address 192.168.20.1 as shown in Figure 3-8. Figure 3-8: Connect to the Web Interface of the PolaRx5S over WiFi using the IP...

  • Page 18: Using The Ethernet Cable

    ‘PolaRx5S-xxxxxxx’, where xxxxxxx are the 7 digits of the serial number of the GNSS Receiver Board (GRB) inside the PolaRx5S. This number can also be found on an identification sticker on the receiver housing. You can then make a connection to the receiver using the web address http://PolaRx5S-xxxxxxx.

  • Page 19: Reference Station Operation

    Set the position as static To work as a base station, the position of the PolaRx5S should be set to static. If not, the PolaRx5S will still work as a base station however the position of the rover may show more variation.
  • Page 20 4.1. HOW TO CONFIGURE THE POLARX5S AS AN RTK BASE STATION Figure 4-2: Setting the static position of the reference station antenna Click on ‘Ok’ to apply the new settings Step 2: Configure output of correction data over Ethernet Output of differential corrections can be configured in the Corrections Output window as Figure 4-3 shows.
  • Page 21 Having configured the settings and clicked ‘Ok’ to apply them, you can now connect to the configured Ethernet port of the PolaRx5S using a terminal emulator tool such as Data Link The Ethernet IP address you need can be found in the information bar at the top of the web interface.
  • Page 22 4.1. HOW TO CONFIGURE THE POLARX5S AS AN RTK BASE STATION This IP address and the port number 28785 can then be used to configure a Data Link connection as shown in Figure 4-5. Figure 4-5: Configure the Data Link terminal emulator tool to connect to the PolaRx5S Ethernet port over which differential corrections have been configured...
  • Page 23 4.1. HOW TO CONFIGURE THE POLARX5S AS AN RTK BASE STATION When a connection to the configured Ethernet port has been established, in this example using Data Link, the ‘Data Streams’ field on the Corrections Output window should now show the active blue connection shown in Figure 4-7 and the corrections output icon in the information panel should appear active.

  • Page 24: Configuring The Pola

    Client authentication for the mount point: none - any client can connect without logging in or, basic - clients have to login with a username and password. To select a correction stream from the NTRIP server of the PolaRx5S, select ‘No’ in the ‘ A llow external server’ field Click on the ‘Local Server ...’...
  • Page 25 4.2. CONFIGURING THE POLARX5S NTRIP CASTER Figure 4-9: The configuration sequence for defining a new mount point Step 2: Define a new user If you selected ‘basic’ client authentication when configuring the mount point in the previous step, you will need to define at least one user. The user name and password are the credentials needed for the NTRIP client (rover) to access the correction stream.
  • Page 26 If the client rover receivers are configured to send a GGA message to the caster (as was the case in Figure 4-12), then their position will also be visible. Figure 4-11: Connecting as a client to the PolaRx5S NTRIP Caster On the NTRIP Client side Rover receivers can connect to the NTRIP Caster by entering its IP address and Port as shown in Figure 4-12.

  • Page 27: How To Output A

    4.3. HOW TO OUTPUT A PPS (PULSE-PER-SECOND) SIGNAL 4.3 How to output a PPS (Pulse-per-Second) signal The PolaRx5S can output a PPS (Pulse-per-Second) signal that can be used for example, to synchronize a secondary device to UTC time. Step 1: Connect a cable with a BNC connector Connect a cable with a BNC connector to the rear-panel connector labelled ’PPS OUT’...

  • Page 28: How To Enable The 4.5 How To Log Data

    It is intended for synchronizing participating computers to within a few milliseconds of UTC. The NTP server functionality on the PolaRx5S can be configured as shown in Figure 4-15. When enabled, the NTP server accepts UDP time-stamp requests on port number 123.

  • Page 29: Internal Logging

    4.5. HOW TO LOG DATA 4.5 How to log data The PolaRx5S has a 16 GB memory for internal data logging. Data can also be logged to an external USB memory disk. 4.5.1 Internal logging Step 1: Defining the Disk Full action When setting up a logging session for the first time, it is a good idea to define what you...
  • Page 30 4.5. HOW TO LOG DATA Figure 4-17: Click on a ‘Create’ button to start defining a new logging session You can then follow the sequence of steps shown in Figure 4-18 selecting the various configuration settings for the logging session. In this example, the default settings of ’Internal’...
  • Page 31 4.5. HOW TO LOG DATA Step 3: Verifying the configuration When you have finished configuring the logging session, the ‘Log Sessions’ window will show a summary of the defined logging sessions as in Figure 4-19. An estimate of the daily size of data generated with the current logging configuration is also given.

  • Page 32: Logging To An External Usb Memory Device

    4.5. HOW TO LOG DATA 4.5.2 Logging to an external USB memory device The PolaRx5S can also log data to an external memory device. To connect the device, you will need a USB Host cable (CBLe_USB_HOST) to connect to the front-panel socket indicated by the USB icon as shown in Figure 4-20.

  • Page 33: How To Ftp Push Logged Data To A Remote Location

    4.5. HOW TO LOG DATA Figure 4-22: Select ‘External’ from the drop-down list to log data to an external memory device 4.5.3 How to FTP push logged data to a remote location SBF, RINEX and BINEX files can also be automatically sent to a remote FTP server (FTP push). A different FTP server can be configured for each logging session and, SBF and RINEX files logged in the same session can be sent to different servers.

  • Page 34: How To Access Logged Data

    4.6 How to access logged data 4.6.1 Downloading data using the web interface Data files logged by the PolaRx5S, both on its internal memory and to an external USB device, can be downloaded using the web interface on the ‘Disk Contents’ window of the ‘Logging’...

  • Page 35: Downloading Data Using The On-Board Ftp Server

    4.6.2 Downloading data using the on-board FTP server FTP, SFTP or rsync can be used to download data files logged on the PolaRx5S. The example below details how the on-board FTP server can be used to download data files logged both internally or to an external device.
  • Page 36 4.6. HOW TO ACCESS LOGGED DATA Figure 4-27: Downloading logged data files using the FTP server with Windows File Explorer. (DSK1: files logged on the internal memory, DSK2: files logged on an external USB device)

  • Page 37: Preserve O N Event L

    4.7. PRESERVE ON EVENT LOGGING (POEL) 4.7 Preserve On Event Logging (POEL) 4.7.1 Introduction In some cases, especially when a lot of data is being logged on the receiver, it may be interesting to preserve certain valuable files which are linked to a specific event (e.g. the occurrence of an earthquake).

  • Page 38: Delete Oldest

    4.7. PRESERVE ON EVENT LOGGING (POEL) 4.7.2 Using Preserve Event Logging combination with AutoDelete and Delete Oldest Both enabling the AutoDelete feature and setting the DiskFullAction to âĂŸDelete OldestâĂŹ will result in logged files being deleted from the receiverâĂŹs internal disk over time. This may lead to complex scenarios in case Preserve On Event Logging is enabled as well.

  • Page 39: Point-To-Point Protocol (P2Pp)

    ServerIP refers to the IP address that will be given to the server (local from the receiver’s perspective) when a connection is established. Though sometimes abbreviated as PPP, this feature is referred to as P2PP in Septentrio receivers as to avoid confusion with Precise Point Positioning.
  • Page 40 4.8. POINT-TO-POINT PROTOCOL (P2PP) Figure 4-30: Configuring P2PP It is possible to require authentication when establishing the connection. To enable authentication, you will need to choose either the PAP or the CHAP protocol as shown in Figure 4-31. PAP will use Password Authentication Protocol and CHAP will use Challenge Handshake Authentication Protocol.

  • Page 41: Cloudit

    4.9. CLOUDIT 4.9 CloudIt CloudIt offers an alternative to FTP for RINEX or SBF file submission from the PolaRx5S receivers and supports OpenAM for authentication. To learn more about the CloudIt feature and learn how to set it up, please check the knowledge base on the Septentrio website.

  • Page 42: Scintillation Monitoring With The Polarx5S

    Septentrio provides the RxTools suite of GUI tools among which is RxLogger. The RxLogger tool provides an easy and convenient way to log and monitor ISMR data from the PolaRx5S. A short description of the various RxTools and how to install them can be found in Appendix H.

  • Page 43: Selecting File Names And Directories

    You need to specify where to store the raw data from the receiver. Raw data (high-rate phase and amplitude and low-rate support data) are stored in SBF (Septentrio Binary Format). Raw data files will be referred to as SBF files in the remainder of this chapter.
  • Page 44 5.2. CONFIGURING RXLOGGER Figure 5-2: Select the location on your PC where data files will be logged In the File Naming tab, you can set the file naming convention to one of the IGS options. Selecting ‘IGS 1 hour’ for example, will cause RxLogger to create hourly SBF files. Every day, a new directory will be created under the directory specified in the ‘Global’...
  • Page 45 5.2. CONFIGURING RXLOGGER The ‘ssss’ field (the station name designator) can be freely chosen by selecting ‘Force the MarkerName to:’. In the example shown in Figure 5-3, the ‘ssss’ field has been set to ‘SEPT’. Figure 5-3: Specifying the station name designator as ‘SEPT’ Figure 5-4 shows an example of data files logged on February 26, 2016.

  • Page 46: Selecting The Set Of Raw Data To Log

    5.2. CONFIGURING RXLOGGER 5.2.3 Selecting the set of raw data to log Raw data in SBF format are arranged in so-called SBF blocks. You need to tell RxLogger which blocks to log and at what interval which is done in the SBF tab of the main window of RxLogger.

  • Page 47: Configuring The Post Processing Options

    5.2. CONFIGURING RXLOGGER 5.2.4 Configuring the post processing options The SBF files themselves do not contain the scintillation indices however, they can be computed using the conversion program. RxLogger can be configured to sbf2ismr automatically execute on SBF files. You can do this by defining a post-processing sbf2ismr action on the ‘Post Processing’...
  • Page 48 5.2. CONFIGURING RXLOGGER Figure 5-7: The default parameters for conversion of SBF to ISMR format After clicking ‘Next’, you can select then select which compression to apply to the ISMR file. As these files are typically small (<200kbytes), file compression is not normally required. Figure 5-8: Selecting not to compress the generated ISMR data files...
  • Page 49 5.2. CONFIGURING RXLOGGER Clicking ‘Next’ in Figure 5-8 will now bring you to the ‘Output File Settings’ window where you can select a destination for the newly created ISMR files. A remote FTP server location can be selected or, clicking on ‘Next’ will select the default settings, as shown in Figure 5-9. This will store the ISMR files in the same directory as the raw SBF files.

  • Page 50: Monitoring Logging And Ismr Status

    5.2. CONFIGURING RXLOGGER Figure 5-10: Enter a name and description for the newly configured SBF to ISMR data conversion Click Finish to finalise the configuration and you will see the ‘ISMR conversion’ action appearing in the list of post processing actions. You can now click Start Logging to start data logging 5.2.5 Monitoring logging and ISMR status In the Logger Info window of the Status tab of the main window of RxLogger, as shown...

  • Page 51: Compressing The Raw Sbf Files

    5.2. CONFIGURING RXLOGGER 5.2.6 Compressing the raw SBF files The hourly SBF files can be very large so it may be a good idea to compress these files. This can be done by defining a second post-processing action on the ‘Post Processing’ tab of the main window of RxLogger.

  • Page 52: Exiting And Restarting Rxlogger

    When exiting and restarting RxLogger, all the user settings from the previous session of RxLogger are preserved: they are stored in the file in the .septentrio\rxlogger.conf user’s home directory. Thus, the configuration steps described above need only be carried out once.

  • Page 53: Sbf2Ismr Program

    fields (or columns) in a record: C:\Program Files (x86)\Septentrio\RxTools\bin>sbf2ismr.exe -h sbf2ismr is a utility to convert the data in a SBF file into ASCII ionospheric scintillation monitoring records.
  • Page 54 5.3. SBF2ISMR PROGRAM -x Systems Exclude one or more satellite systems from the observation file. Systems may be G (GPS), R (Glonass), E (Galileo), S (SBAS), C (BeiDou), J (QZSS), I (IRNSS) or any combination thereof. For instance -xERSCJI produces a GPS-only observation file. -c DetFreq Cutoff frequency of the carrier phase detrending filter (6th order high pass butterworth).
  • Page 55 5.3. SBF2ISMR PROGRAM Col 27: Lock time on the second frequency used for the TEC computation (seconds) Col 28: Averaged C/N0 of second frequency used for the TEC computation (dB-Hz) Col 29: SI Index on Sig1: (10 * log10(Pmax)-10 * log10(Pmin))/(10 * log10(Pmax)+10 * log10(Pmin)) (dimensionless) Col 30: SI Index on Sig1, numerator only: 10 * log10(Pmax)-10 * log10(Pmin) (dB) Col 31: p on Sig1, spectral slope of detrended phase in the 0.1 to 25Hz range (dimensionless) Col 32: Average Sig2 C/N0 over the last minute (dB-Hz)

  • Page 56: Ismr Record Details

    For example, SVID values in the range 1-37 refer to GPS satellites. You can find the full list of satellite constellation SVID ranges in the ‘SBF Outline’ section of the ‘PolaRx5S Reference Guide’. Supported Signals For each satellite, the ISMR file contains iono indices (S4, Phixx, ...) for up to three signals, as listed in the table below.
  • Page 57 5.3. SBF2ISMR PROGRAM Not-Applicable Values Not-applicable columns or fields for which the value is unknown contain the ‘nan’ (not-a-number) string. S4 index The total S4 (columns 8, 33 and 47) is the standard deviation of the 50 Hz raw signal power normalized to the average signal power over the last minute.
  • Page 58 5.3. SBF2ISMR PROGRAM TEC and dTEC values (both in TECU unit) are provided in columns 17-24. Absolute TEC values are reported every 15 seconds (there are 4 TEC columns per ISMR record) which are based on dual-frequency pseudorange measurements only. dTEC values report the change of TEC over the four 15-second intervals of the previous minute.
  • Page 59 5.3. SBF2ISMR PROGRAM 10log(P max) 10log(P min) SI = 10log(P max) + 10log(P min) Where Pmax is conventionally defined as the power amplitude of the third peak down from the maximum excursion over the 3000 samples in the last minute, and Pmin is the power amplitude of the third level up from the minimum excursion.

  • Page 60: Monitoring The Current Scintillation Status With Sbf2Ismr

    5.3. SBF2ISMR PROGRAM 5.3.2 Monitoring the Current Scintillation Status with sbf2ismr Invoking with the option produces a ‘status screen’ output, which is handy for sfb2ismr checking the current status of the receiver and the level of the major scintillation indices. When using the option, no ISMR file is created, a status screen only is produced.

  • Page 61: Receiver Monitoring

    6.1 Basic operational monitoring The ‘Overview’ page of the web interface in Figure 6-1 shows at a glance a summary of the PolaRx5S’s operational status. Figure 6-1: Overview page of the web interface The main information bar at the top of the window gives some basic receiver information: receiver type, serial number and position.
  • Page 62 6.1. BASIC OPERATIONAL MONITORING The Quality indicators gives a simple overview of signal quality, RF antenna power and CPU load of the receiver. The GNSS field details how many satellites for each constellation are being tracked and used in the position solution (PVT). A green line indicates that at least one satellite in the constellation is being used in the PVT, a blue line indicates that satellites are being tracked but not used and a grey line that there are no satellites from that particular constellation in tracking.

  • Page 63: Aim+: Detecting And Mitigating Interference

    The PolaRx5S is equipped with a sophisticated RF interference monitoring and mitigation system (AIM+). To mitigate the effects of narrow-band interference, three notch filters can be configured in either auto or manual mode. These notch filters effectively remove a narrow part of the RF spectrum around the interfering signal.

  • Page 64: Narrowband Interference Mitigation

    6.2. AIM+: DETECTING AND MITIGATING INTERFERENCE 6.2.1 Narrowband interference mitigation Configuring the notch filters In the default auto mode of the notch filters, the receiver performs automatic interference mitigation of the region of the spectrum affected by interference. In manual mode as shown configured for Notch1 in Figure 6-3, the region of the affected spectrum is specified by a centre frequency and a bandwidth which is effectively blanked by the notch filter.

  • Page 65: Wideband Interference Mitigation

    Configuring WBI mitigation The Wideband Interference Mitigation system (WBI) can be enabled by selecting on as shown in Figure 6-5. Enabling WBI will increase the power consumed by the PolaRx5S by about 160 mW. Figure 6-5: Select on to enable Wideband Interference Mitigation then ‘OK’ to...
  • Page 66 6.2. AIM+: DETECTING AND MITIGATING INTERFERENCE WBI mitigation in action The GPS L1 band interference shown in Figure 6-6 is produced by combining the GNSS antenna signal with the output from an in-car GPS chirp jammer. Figure 6-6: Simulated wideband interference in the GPS L1 band using an in-car chirp jammer When WBI mitigation is enabled the effect of the interference is dramatically reduced to the extent that the small signal bump at the GPS L1 central frequency of 1575 MHz is clearly...

  • Page 67: How To Log Data For Problem Diagnosis

    6.3. HOW TO LOG DATA FOR PROBLEM DIAGNOSIS 6.3 How to log data for problem diagnosis If the PolaRx5S does not behave as expected and you need to contact Septentrio Support Department, it is often useful to send a short SBF data file that captures the anomalous behaviour, as well as a Diagnostic Report from the receiver.
  • Page 68 6.3. HOW TO LOG DATA FOR PROBLEM DIAGNOSIS Figure 6-9: Configure a logging session selecting ‘Support’ in the ‘Edit SBF Stream’ field When logging has been correctly configured, the ‘Log Sessions’ window will show the newly defined session as active as indicated in Figure 6-10. Figure 6-10: The ‘Log Sessions’...

  • Page 69: Diagnostic Report

    6.3. HOW TO LOG DATA FOR PROBLEM DIAGNOSIS Step 3: Downloading the logged SBF file The logged SBF file can be downloaded on the ‘Disk Contents’ page as shown in Figure 6-11. Click on the download icon next the SBF file you want to download. Figure 6-11: Click on the green download icon to next to the file you want to download 6.3.2 Diagnostic Report...

  • Page 70: Activity Logging

    6.4. ACTIVITY LOGGING 6.4 Activity logging The PolaRx5S reports various events in the ‘Receiver Messages’ window of the ‘ A dmin’ menu that can be used to check the receiver operations. The example in Figure 6-13 shows that four, 15 minute SBF files have been successfully FTP pushed to a remote location.

  • Page 71: How To Use The Monitoring Feature To Configure The Receiver To Power

    6.5. HOW TO USE THE MONITORING FEATURE TO CONFIGURE THE RECEIVER TO POWER DOWN ON LOW VOLTAGE 6.5 How to use the Monitoring feature to configure the receiver to power down on low voltage The monitoring feature allows the receiver to turn itself off when the external voltage supply is below a certain threshold.
  • Page 72 6.5. HOW TO USE THE MONITORING FEATURE TO CONFIGURE THE RECEIVER TO POWER DOWN ON LOW VOLTAGE Step 2: Save the configuration Press "OK" to apply the changes. Since the receiver will load the boot configuration when waking up again after having gone into standby due to low voltage, make sure to save the configuration to boot as shown in Figure 6-15.

  • Page 73: Scheduled Sleep

    6.6. SCHEDULED SLEEP 6.6 Scheduled sleep The Scheduled Sleep feature allows users to configure the receiver in such a way that it will sleep for a predefined amount of time and/or during a number of predefined intervals. 6.6.1 Configuring scheduled sleep Step 1: Configure a new Wake-Up Schedule On the menu bar select âĂŸStationâĂŹ...
  • Page 74 6.6. SCHEDULED SLEEP Figure 6-17: Example of a fully configured Wake-Up schedule. Step 2: Determine the awake duration To determine how long the receiver should stay awake, fill in the desired timespan in the Awake duration field. In the example shown in Figure 6-17, this is set to 10 minutes. Step 3: Define the repetition period Next, determine how often the receiver needs to wake up for the previously configured period of time.
  • Page 75 6.6. SCHEDULED SLEEP Step 4: Choose when the schedule should start Finally, define a time in the Schedule Start field to choose when you want the Wake-Up Schedule to start taking effect. This effectively corresponds to the first time the receiver will attempt to wake up from standby mode for the period of time defined in the âĂŸAwake DurationâĂŹ...

  • Page 76: Combining The Monitoring And Scheduling Features

    6.6. SCHEDULED SLEEP Figure 6-19: Example of how to configure the receiver to wake up at a certain point in the future and then just stay awake. In this example, the receiver is set to wake up at the first of January 2020 6.6.2 Combining the Monitoring and Scheduling features It is possible to combine the monitoring feature with a Wake-Up Schedule.
  • Page 77 6.6. SCHEDULED SLEEP Figure 6-20: Combining the monitoring feature with a Wake-Up Schedule will lead the receiver to remain in standby but periodically check the voltage level when the receiver is scheduled to be awake, but the voltage level is below the threshold value. When the receiver is scheduled to sleep, the receiver will not attempt to wake up to check the voltage levels.

  • Page 78: Security

    7 Security 7.1 How to manage access to the PolaRx5S You can manage the access that users have to the PolaRx5S in the ‘User Administration’ window of the ‘Admin’ menu. By default, the web interface, FTP and communication ports are all assigned User-level access as shown in Figure 7-1.

  • Page 79: How To Manage Access To The Pola Rx

    Figure 7-2: Defining user access levels After defining the Users/Viewers and their access levels, they can login on the web interface by clicking on Log in on the upper-right corner as shown in Figure 7-3. Figure 7-3: Logging in to the PolaRx5S web interface...

  • Page 80: Ssh Key Authentication

    By default, anonymous users have full access over FTP, SFTP and rsync to the files logged on the PolaRx5S. FTP, SFTP and rsync access can be limited by configuring user access, as described in Section 7.1. For added security, user authentication for SFTP and rsync access can be configured using an SSH public key.
  • Page 81 7.1. HOW TO MANAGE ACCESS TO THE POLARX5S The generated public key is the highlighted text that can be pasted directly into the SSH Key field of the PolaRx5S Web Interface as shown in Figure 7-6. Figure 7-6: Logging out 521-bit ECSDA keys offer the best security however, ECSDA 256 and 384-bit keys can also be...

  • Page 82: How To Control Access Using The Polarx5S Firewall

    7.2 How to control access using the PolaRx5S Firewall You can control access to the PolaRx5S using the receiver’s firewall in the Firewall window. By default, all Ethernet and WiFi ports are open (i.e. those defined on the IP Ports menu).

  • Page 83: Receiver Administration Operations

    8 Receiver administration operations 8.1 How to change IP settings of the PolaRx5S The IP settings of the PolaRx5S can be configured in the Ethernet window of the Communication menu. By default, the PolaRx5S is configured to use DHCP to obtain an IP address.

  • Page 84: How To Configure Dynamic Dns

    IP address is currently assigned to it. To make use of this feature on the PolaRx5S, you should first create an account with a Dynamic DNS provider (dyndns.org or no-ip.org) to register a hostname for your receiver.

  • Page 85: How To Upgrade The Firmware Or Upload A New Permission File

    The PolaRx5S firmware and permission files both have the extension .suf (Septentrio Upgrade File) and can be uploaded to the PolaRx5S as shown in the steps below. Firmware upgrades can be downloaded from the Septentrio website and are free for the lifetime of the receiver.
  • Page 86 8.3. HOW TO UPGRADE THE FIRMWARE OR UPLOAD A NEW PERMISSION FILE Figure 8-5: The upgrade procedure Step 2: Verifying the upgrade If there were no problems with the upgrade, the message ‘Upgrade successful’ will appear. You can then check on the Admin/About window, as shown in Figure 8-6, that the new firmware version or permission file has been updated.

  • Page 87: How To Set The Polarx5S To Its Default Configuration

    However, on the Admin/Reset window as shown in Figure 8-8 different functionalities can be reset individually. A ‘Soft’ level reset will cause the PolaRx5S to boot up with its current configuration while a ‘Hard’ reset will use the configuration stored in the boot file.

  • Page 88: How To Copy The Configuration From One Receiver To Another

    In the Admin/Configurations window, the configuration of a PolaRx5S can be easily saved to a PC as a text file. A saved configuration can then be uploaded to any other PolaRx5S. Step 1: Downloading the configuration from a PolaRx5S Click the green download arrow next the configuration you wish to download as shown in...
  • Page 89 8.6. HOW TO COPY THE CONFIGURATION FROM ONE RECEIVER TO ANOTHER Step 2: Uploading the configuration to another PolaRx5S Again on the Admin/Configuratoins window, click on the blue upload arrow , as indicated in Figure 8-10, to upload a configuration file stored on you PC. In this example, the saved file will be uploaded as the Boot configuration.

  • Page 90: Appendix A Front-Panel Port Descriptions

    A Front-panel port descriptions The PolaRx5S front panel features 8 ODU connectors which are described in the following sections. These connectors are all of type ODU MINI SNAP Series F. The pinout of the female connectors and the ODU part number of the corresponding male connectors are shown in Figure A-1.
  • Page 91 USB D Reserved USB D Reserved USB Vbus A.4 Ethernet The receiver can be powered through the Ethernet port (Power-Over-Ethernet). Please note that only mode A, as specified in the 802.3af standard, is supported on the PolaRx5S. PIN # Description...
  • Page 92 A.5. OUT A.5 OUT PIN # Description Reserved GP1 output, 3.3V. Use the command setGPIOFunctionality to set the level of this pin. GP2 output, 3.3V. Use the command setGPIOFunctionality to set the level of this pin. nRST_OUT. Open-collector output, driven low when the receiver is resetting.
  • Page 93 A.8. PWR A.8 PWR PIN # Description Power: 9 to 30V DC Always ON. When this pin is tied to pin#1 the receiver is always on regardless of the state of the power button. Connect to Ground to enable the power button. Ground...
  • Page 94 B Rear-panel connectors The following sections describe the connectors on the rear-panel of the PolaRx5S. B.1 MAIN (TNC) Connect an active GNSS antenna to this connector. The resultant gain at the connector (antenna gain minus cable losses) must be in the range 15 to 50dB.
  • Page 95 C Cables Cable Name Details (Part #) COM1/COM2 to PC (DSUB9-female). To be connected to either CBLe_COM_1.8 the COM1 or COM2 connector. Note that RTS/CTS lines are only (200416) available when connected to COM2. Dual COM3 and COM4 to PC (DSUB9-female). To be connected to CBLe_COM_DUO_7 the COM3-4/USB connector.
  • Page 96 D LED behaviour LED name colour Icon Behaviour Off: Receiver is powered off POWERLED On: Receiver is powered on Off: No Ethernet connection LANLINKLED green Blinking: Sending or receiving data over Ethernet Number of satellites in Behaviour tracking Blinks fast (10 per second) Blinks once, then pauses 1, 2 TRACKLED...
  • Page 97 LED name colour Icon Behaviour Off: No PVT available PVTLED green On: PVT available Off: WiFi disabled On: Access-point mode or client mode WIFILED Blinking slowly: Establishing a connection in client mode Blinking quickly: Error, not connected...
  • Page 98 E 100 Hz Output Rate As described in the previous chapters, ionospheric monitoring typically involves sampling I&Q correlation and carrier phase data at a 50 Hz rate. However, the PolaRx5S also supports 100 Hz rate for advanced research. To prevent overloading the receiver’s CPU when operating at 100 Hz output rate, the only SBF block that should be output at 100 Hz is the IQCorr block.
  • Page 99 F Real-Time ISMR data The PolaRx5S contains a built-in real-time S4 and monitor. S4 and are computed every σ σ φ φ minute for all tracked satellites and signals (except GPS (L1P and L2P) and GLONASS (L2P)), and are made available in the SBF block.
  • Page 100 G TEC Calibration Absolute TEC values can be biased by satellite and station inter-frequency biases. Sources of station biases include the antenna, the antenna cable, splitters, amplifiers, and the receiver. Satellite biases are compensated for when available (see Section 5.3.1), but station biases need to be calibrated.
  • Page 101 3. Make sure that the receiver is in its default configuration. This can be done by checking the ‘Config’ option in the File > Reset Receiver menu: 4. Navigate to the Navigation > Positioning Mode > SBAS Corrections menu and make sure the receiver is configured in navigation mode: MixedSystems...
  • Page 102 6. In the File Naming tab, select manual file naming, and provide a file name:...
  • Page 103 Windows, can usually be found under sbf2ismr.exe C:\Program Files (x86)\Septentrio\RxTools\bin In regions covered by an SBAS system, use the option ‘ ’ to generate TEC calibration values using SBAS ionospheric corrections as reference. Otherwise use the option ’ ’.
  • Page 104 The output of can be copied into a TEC calibration file without modification, sbf2ismr and this file can be provided as TEC calibration input with the ‘ ’ option of sbf2ismr (see Section 5.3.1).
  • Page 105 You can install the full suite of RxTools by running the RxTools Installer. The Installer file can be found on the memory stick provided with the receiver. The latest version of the Installer is also available for download from the Support section of the Septentrio website: http://www.septentrio.com/support To run the Installer, double click on the executable file.
  • Page 106 In the ‘File’ menu, select ‘Change Connection...’. In the example shown in Figure I-2, a USB cable was used. The USB connection of the PolaRx5S maps onto two virtual serial connections which are identified as ‘USB COM Port 1’ and ‘USB COM Port 2’. Select one of these connections and give it a name.

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