Blog

When using navigation and positioning products, we often judge the working state of the device through some state parameters. Have you ever seen the DOP indicators in the status bar such as VDOP, PDOP and HDOP? The HDOP value is also included in #GPGGA message to judge the horizontal positioning accuracy.

In the last blog we introduced the RTCM protocol, normally we use RTCM32 messages to transmit RTK correction data in most RTK scenarios.

As a portable and wearable GNSS receiver, P1 is suitable for mobile and high precision applications. Some of our users are using P1 to collect GIS data. So how do we use our P1 with third-party GIS software to achieve centimeter-level positioning accuracy? In this blog, the software MyCumulus is used as an example.

With the development and popularity of GNSS technology, there are many GNSS brands emerging in the market, providing plenty of different models of GNSS Receivers. This is a good trend, but on the other hand, it can be confusing for users when you want to buy one GNSS receiver from so many choices.