Fig. 9
From: Assessment of directional accuracy of GNSS-Acoustic measurement using a slackly moored buoy
Relationship between HDOP and σH
The black and light red dots represent deviations in array positions determined using the buoy observation data (illustrated in Fig. 4) and synthetic test results (illustrated in Fig. 8) corresponding to the HDOP. The red line illustrates a linear function obtained (Eq. (13)) using a scaling factor σ