Uploaded May 2026 | Updated September 2026, 2 weeks ago

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Get your TX2 here: sparkfun.com/sparkpnt-tx2.html
Learn about all of our PNT products here: sparkfun.com/pnt

Learn how to set up the SparkPNT TX2 for high-precision GNSS and achieve RTK-level accuracy in the field. In this step-by-step guide, we walk through everything from unboxing and powering the device to connecting with GIS apps and applying corrections for centimeter- and millimeter-level positioning.

What you’ll learn:
• What’s included with the SparkPNT TX2
• How to charge and power on the device
• Connecting via Bluetooth and Wi-Fi
• How to get RTK corrections (free & paid options)
• Using GIS apps like ArcGIS Field Maps, SW Maps, and more
• Achieving high-precision GNSS accuracy in real-world use

Whether you're working in surveying, mapping, or field data collection, this guide will help you get the most out of your TX2.


00:00 Intro
00:18 What's Included in the Kit
00:54 Charging & Battery Life
01:14 Mounting & Powering On
01:47 Understanding GNSS
02:20 Free vs Paid Corrections
02:57 Bluetooth & Wi-Fi
03:55 ESP-NOW for Corrections
04:36 Starlink for Off-Grid RTK
05:00 ArcGIS Field Maps (iOS)
06:43 SW Maps
07:39 Field Maps
08:09 Connecting on Android
09:16 Connecting to Diamond Maps
10:41 Final Thoughts