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Sparkfun Electronics SparkPNT GNSSDO Quick Start Manual

Gnss disciplined oscillator
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Summary of Contents for Sparkfun Electronics SparkPNT GNSSDO

  • Page 1 Read the Full User Manual...
  • Page 2 GNSS DISCIPLINED OSCILLATOR (GNSSDO) Quick Start Guide...
  • Page 3 SparkPNT GNSSDO Quick Start Guide Copyright SparkFun 2025...
  • Page 4 Want to read this on your computer? Access the Quick Start Guide at: docs.sparkfun.com/SparkFun_GNSSDO...

  • Page 5: What's Included

    Configuring the Firmware....Help & Troubleshooting ....WHAT’S INCLUDED? L1/L2/L5 GNSS Surveying Antenna SparkPNT GNSSDO (GPS-21801) (GPS-26289) USB-C Power Ethernet Cable...

  • Page 6: You Will Need

    YOU WILL NEED Computer, Phone Ethernet network or Router or Tablet YOU MAY ALSO NEED Antenna Antenna Mounting Hardware Magnetic Mount (KIT-22197) (PRT-21257)

  • Page 7: Getting Started

    GETTING STARTED Connect Using Ethernet CONNECT USING ETHERNET The simplest way to get your GNSSDO up and running is to connect it to your Ethernet network or an Ethernet port on your broadband router: 1. Connect the GNSS antenna. Inside your GNSSDO kit, you will find the L1/ L2/L5 GNSS “UFO”...
  • Page 8 GETTING STARTED Connect Using Ethernet either the CONFIG MOSAIC or the CONFIG ESP32 USB-C port. It does not matter which. You should see the red power (PWR) LED light up and text start to appear on the OLED display. Once the mosaic-T has acquired a satellite signal and is connected to the Ethernet network, the OLED will display: the antenna’s position as Latitude (Lat), Longitude (Long);...
  • Page 9 GETTING STARTED Connect Using USB-C CONNECT USING USB-C The mosaic-T has a built-in high-speed USB port which supports Ethernet-over-USB. To take advantage of this interface, you first need to install the Septentrio drivers. 1. Connect the GNSS antenna. Inside your GNSSDO kit, you will find the L1/L2/L5 GNSS “UFO”...
  • Page 10 GETTING STARTED Connect Using USB-C 3. Connect the GNSSDO to your computer. Use the supplied USB-C cable to connect the CONFIG MOSAIC port to your computer. 4. Open the mosaic-T web page. Open a web browser on your computer and navigate to 192.168.3.1 to view the mosaic-T’s internal web page.

  • Page 11: Configuring The Firmware

    GETTING STARTED Configuring the Firmware CONFIGURING THE FIRMWARE The GNSSDO contains an ESP32-WROVER processor which is able to discipline the frequency of the internal SiT5358 temperature-controlled crystal oscillator. By linking the CONFIG ESP32 USB-C port to your computer, you can view and modify the settings of the ESP32 firmware using a terminal emulator.
  • Page 12 GETTING STARTED Configuring the Firmware Please follow the QR codes below for more details: CH340 Drivers https://learn.sparkfun.com/tutorials/ how-to-install-ch340-drivers Tera Term https://learn.sparkfun.com/tutorials/terminal- basics/tera-term-windows Serial Terminal Basics https://learn.sparkfun.com/tutorials/ terminal-basics docs.sparkfun.com/SparkFun_GNSSDO...
  • Page 13 GETTING STARTED Connect the Firmware 3. Open a Serial Terminal. If you are using Windows, we still recommend Tera Term serial terminal but there are plenty of alternatives. Please see our Serial Terminal Basics tutorial for more details. Open the connection to the CH340 using 115200 baud.
  • Page 14 GETTING STARTED Configuring the Firmware You should never need to change most of the firmware settings, the default settings will meet the needs of almost all users. However, one option you may want to change is “TCP Server (IPS1)”. This is disabled by default. When it is enabled, it allows you to access the firmware console via TCP - over Ethernet or Ethernet-over-USB - instead of CONFIG ESP32 Serial.
  • Page 15 Common Gotchas • High-precision GNSS only works with multiple-frequency antennas. This means that GPS antenna you got in the early 2000s with your TomTom is not going to work. Please use the SparkFun L1/L2/L5 antenna provided in the GNSSDO kit. •...
  • Page 16 Help & Troubleshooting If you need technical assistance or more information on a product that is not working as you expected, we recommend heading on over to the SparkFun Technical Assistance page for some initial troubleshooting. Technical Assistance https://www.sparkfun.com/technical_assistance If you can’t find what you need there, the SparkFun GPS Forum is a great place to ask questions.

This manual is also suitable for:

Gps-26289

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