GNSS raw measurements
If you use a smartphone that supports GNSS raw mearsurement, the following graphs can be analyzed in smart phone applications and computers.
It is not easy to make accurate analysis with only coordinate value. Therefore, GNSS raw measurement is required for the above data analysis. So, I conducted a simple study on this.
Raw measurements take place before the pseudorange generation.
BLE Beacon for positioning.
In addition, I studied Arduino with Beacon for tracking users. I looked up YouTube videos, related blogs, and homepages.
Rose, Designer and Engineer 