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Copy file name to clipboardExpand all lines: README.md
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> [!CAUTION]
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> RTK Base
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> RTK Not Supported
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> --------------
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> The mosaic-T is a superb GNSS module designed for highly accurate timing applications. It can be configured as a RTK Rover and will make use of incoming RTCM corrections. **But it can not be configured as a RTK Base. RTCM output is not supported.**
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> The mosaic-T is a superb GNSS module designed for highly accurate timing applications. **But it does not support RTK. It can not be configured as a RTK Rover or Base. RTCM output is not supported.**
Copy file name to clipboardExpand all lines: docs/gnss_signals.md
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---
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## Supported GNSS Signals
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The mosaic-T module is capable of receiving most of the GNSS signals from the various frequency bands of each constellation. By default, the module is only configured to utilize signals (<spanstyle="background-color:green;color:white;">marked in green</span>, in the table below) from specific satellites and frequency bands. Whereas, the <spanstyle="background-color:var(--md-default-fg-color--lighter);">signals marked in grey</span> are also supported by the module, but each signal needs to be enabled before they can be integrated into the computed Position-Velocity-Time (PVT) solution or RTK correction data. Meanwhile, any <spanstyle="color:red;">~~signals colored in red and struck out~~</span> are not supported by the mosaic-T module; likely due to their proprietary nature, existence outside the module's frequency range, or are experimental/recently implemented.
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The mosaic-T module is capable of receiving most of the GNSS signals from the various frequency bands of each constellation. By default, the module is only configured to utilize signals (<spanstyle="background-color:green;color:white;">marked in green</span>, in the table below) from specific satellites and frequency bands. Whereas, the <spanstyle="background-color:var(--md-default-fg-color--lighter);">signals marked in grey</span> are also supported by the module, but each signal needs to be enabled before they can be integrated into the computed Position-Velocity-Time (PVT) solution. Meanwhile, any <spanstyle="color:red;">~~signals colored in red and struck out~~</span> are not supported by the mosaic-T module; likely due to their proprietary nature, existence outside the module's frequency range, or are experimental/recently implemented.
Copy file name to clipboardExpand all lines: docs/hardware_assembly.md
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## JST Connector
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The JST connector on the Tri-band GNSS RTK board, breaks out the `COM3` UART port of the mosaic-T module.
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The JST connector on the Timing GNSS board, breaks out the `COM3` UART port of the mosaic-T module.
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<figuremarkdown>
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[{ width="400" }](./assets/img/hookup_guide/assembly-jst_connector.jpg"Click to enlarge")
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## Breakout Pins
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The [PTH](https://en.wikipedia.org/wiki/Through-hole_technology"Plated Through Holes") pins on the Tri-band GNSS RTK board are broken out into 0.1"-spaced pins on the outer edges of the board.
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The [PTH](https://en.wikipedia.org/wiki/Through-hole_technology"Plated Through Holes") pins on the mosaic-T Timing GNSS board are broken out into 0.1"-spaced pins on the outer edges of the board.
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??? note "New to soldering?"
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If you have never soldered before or need a quick refresher, check out our [How to Solder: Through-Hole Soldering](https://learn.sparkfun.com/tutorials/how-to-solder-through-hole-soldering) guide.
Copy file name to clipboardExpand all lines: docs/hardware_overview.md
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</article>
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!!! warning "RTK Base"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. It can be configured as a RTK Rover and will make use of incoming RTCM corrections. **But it can not be configured as a RTK Base. RTCM output is not supported.**
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!!! warning "RTK Not Supported"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. **But it does not support RTK. It can not be configured as a RTK Rover or Base. RTCM output is not supported.**
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</div>
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### Position Accuracy
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!!! warning "RTK Base"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. It can be configured as a RTK Rover and will make use of incoming RTCM corrections. **But it can not be configured as a RTK Base. RTCM output is not supported.**
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!!! warning "RTK Not Supported"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. **But it does not support RTK. It can not be configured as a RTK Rover or Base. RTCM output is not supported.**
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<divclass="grid"markdown>
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<divmarkdown>
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The accuracy of the position reported from the mosaic-T module, can be improved based upon the correction method being employed. Currently, [RTK](https://en.wikipedia.org/wiki/Real-time_kinematic_positioning"Real-Time Kinematic") corrections provide the highest level of accuracy; however, users should be aware of certain limitations of the system:
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- RTK technique requires real-time correction data from a reference station or network of base stations.
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- RTK corrections are signal specific *(i.e. an RTK network might provide corrections on only `E5b` and not `E5a`)*.
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- The range of the base stations will vary based upon the RTK method being employed.
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- The reliability of RTK corrections are inherently reduced in [multipath environments](https://en.wikipedia.org/wiki/Multipath_propagation). However, with Septentrio's multipath mitigation technology ([APME+](https://www.septentrio.com/en/learn-more/Advanced-positioning-technology/gnss-technology/multipath-mitigation-technology"A-Posteriori Multipath Estimation")) on the mosaic-T, these errors are significantly reduced when compared to multipath mitigation techniques that modify the correlators in the tracking channels.
For the best performance, we highly recommend that users configure the module to utilize/provide RTK corrections with a compatible L1/L2/L5 (tri-band) GNSS antenna and utilize a low-loss cable.
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For the best performance, we highly recommend that users select a compatible L1/L2/L5 (tri-band) GNSS antenna and utilize a low-loss cable.
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- **`PPS_LED`** - This jumper can be cut to remove power from the yellow LED, which is connected to the [PPS](https://en.wikipedia.org/wiki/Pulse-per-second_signal "Pulse Per Second") signal.
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- **`LOG_LED`** - This jumper can be cut to remove power from the green LED, which indicates if data is being logged to the SD card.
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- **`GP_LED`** - This jumper can be cut to remove power from the blue LED that is connected to the general purpose pins.
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- **`RTK_LED`** - This jumper can be cut to remove power from the white LED, indicating RTK corrections.
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- **`RTK_LED`** - This jumper can be cut to remove power from the white LED.
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**`VBATT`**
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: This jumper can be cut to disconnect the `VBATT` pin from the 3.3V output of the AP7361C LDO regulator.
This breakout board is a perfect middle ground for users who would like to integrate the mosaic-T module into a project/enclosure with access to a majority of the module's available pins, similar to Septentrio's developer kit, but in the smaller form factor of their evaluation kit. Or maybe... you just needed a very accurate PPS output at a 3.3V logic level. *Please, check out the rest of our [hookup guide](hardware_overview.md) for more details on the capabilities of this board (that we couldn't fit in this product description).*
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!!! warning "RTK Base"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. It can be configured as a RTK Rover and will make use of incoming RTCM corrections. **But it can not be configured as a RTK Base. RTCM output is not supported.**
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!!! warning "RTK Not Supported"
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The mosaic-T is a superb GNSS module designed for highly accurate timing applications. **But it does not support RTK. It can not be configured as a RTK Rover or Base. RTCM output is not supported.**
In this guide we'll cover how to setup the mosaic-T Timing GNSS breakout board as a RTK rover. Additionally, we also provide some guidelines for creating a [GNSS disciplined oscillator](https://en.wikipedia.org/wiki/GPS_disciplined_oscillator), based upon our work with the [SparkPNT GNSSDO](https://www.sparkfun.com/sparkpnt-gnss-disciplined-oscillator.html). To follow along with this tutorial, at a minimum, users will need the following items:
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In this guide we'll cover how to setup the mosaic-T Timing GNSS breakout board. Additionally, we also provide some guidelines for creating a [GNSS disciplined oscillator](https://en.wikipedia.org/wiki/GPS_disciplined_oscillator), based upon our work with the [SparkPNT GNSSDO](https://www.sparkfun.com/sparkpnt-gnss-disciplined-oscillator.html). To follow along with this tutorial, at a minimum, users will need the following items:
Copy file name to clipboardExpand all lines: docs/web_interface.md
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- To check for the latest firmware published by Septentrio, please visit their [product page](https://www.septentrio.com/en/products/gps/gnss-receiver-modules/mosaic-T#resources) for the mosaic-T module. Users can click on the button below, to be redirected to the latest firmware for the mosaic-T.
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<articlestyle="text-align: center;"markdown>
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[:logo-septentrio: Find the Latest Firmware](https://www.septentrio.com/en/products/gps/gnss-receiver-modules/mosaic-T#resources){ .md-button .md-button--primary target="blank" }
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[Find the Latest Firmware](https://www.septentrio.com/en/products/gps/gnss-receiver-modules/mosaic-T#resources){ .md-button .md-button--primary target="blank" }
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</article>
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- Currently, at the time that this board was released, the firmware for the mosaic-T module was *v4.14.0*[^4]. Users can download [**version 4.14.0**](./assets/component_documentation/firmware/mosaic-T_fwp_4.14.10.1.zip) of the firmware, by clicking on the button below.
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- Currently, at the time that this board was released, the firmware for the mosaic-T module was *v4.14.10.1*[^4]. Users can download [**version 4.14.10.1**](./assets/component_documentation/firmware/mosaic-T_fwp_4.14.10.1.zip) of the firmware, by clicking on the button below.
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[^4]:
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For the latest firmware published by Septentrio, please visit their [product page](https://www.septentrio.com/en/products/gps/gnss-receiver-modules/mosaic-T#resources).<br>
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*This is firmware version, was archived at the time that this guide was written. Please do not request for the file to be updated; instead visit the product page to download the latest firmware.*
<iframesrc="https://www.youtube.com/embed/UVUVXpA8rB4"title="Septentrio: How to receive corrections over an IP connection"frameborder="0"allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"allowfullscreen></iframe>
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</article>
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</div>
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<divmarkdown>
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Without having to setup a personal base station, users can receive RTK corrections through the internet from 3rd-party services.
<iframesrc="https://www.youtube.com/embed/aAPoRpSR0tY"title="Septentrio: How to receive corrections via NTRIP on the Septentrio mosaic receiver module"frameborder="0"allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"allowfullscreen></iframe>
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</article>
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??? example "Polaris RTK"
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The Polaris RTK Corrections Network, provided by PointOne, is an example of a 3rd-party correction service. For users interested in enabling this RTK subscription service, they can check out the [documentation from their website](https://pointonenav.com/news/watch-easy-rtk-setup-for-a-septentrio-mosaic-T-with-polaris-rtk) and the video below:
<iframe src="https://www.youtube.com/embed/CPHC-alH0W0" title="Easy RTK setup for a Septentrio Mosaic-T with Polaris RTK" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
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</article>
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</div>
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</div>
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#### Sharing Internet Access
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By default, the mosaic-T GNSS receiver is not configured to access the internet through the USB interface. In order to receive or cast RTK corrections to/from a RTK network, such as NTRIP, users will need to enable capability.
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By default, the mosaic-T GNSS receiver is not configured to access the internet through the USB interface. Users will need to enable this capability as needed.
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- Users will need to use the web interface or RxTool software suite to enable the `Outgoing Internet Access Over USB` from the **Communication** > **USB** drop-down menu of the navigation tabs.
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- This also requires users to allow Internet sharing through their computer as well. The procedure to do so depends on your operating system.
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1. ion
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1. use it to access the web interface, add NTRIP client (using rtk2go.com, must input an email, no password, select a mountpoint near you(http://monitor.use-snip.com/map)), now you should get RTK. If the mosaic is still not connecting, try to reboot it using the RST button on the breakout. The assigned IP will probably not change next time. Good luck.
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This web interface makes setting up RTK really easy and you only need a usb cable to connect the breakout to a computer with internet.
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This web interface makes setting up really easy and you only need a usb cable to connect the breakout to a computer with internet.
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