PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-15:43:10
G01     75.9           33.3               10.3 +/-    0.74      16.9 +/-    0.74  0.030 / 0.040
G07     134.8          35.0               12.2 +/-    1.13      19.4 +/-    1.13  0.040 / 0.050
G11     56.7           33.3                8.0 +/-    0.52      13.2 +/-    0.52  0.080 / 0.110
G13     279.8          37.9               10.2 +/-    1.17      15.4 +/-    1.17  0.050 / 0.100
G15     308.1          13.0                8.1 +/-    1.50      21.1 +/-    1.50  0.040 / 0.050
G17     226.5          64.7               13.6 +/-    0.74      14.8 +/-    0.74  0.030 / 0.050
G18     52.4           20.1                8.1 +/-    1.05      17.8 +/-    1.05  0.060 / 0.060
G19     221.1          35.3               12.8 +/-    1.21      20.1 +/-    1.21  0.060 / 0.070
G28     11.6           60.2                9.5 +/-    0.57      10.8 +/-    0.57  0.060 / 0.120
G30     130.2          66.7               11.6 +/-    0.67      12.5 +/-    0.67  0.050 / 0.140