PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-17:12:50
G01     103.1          27.6               11.8 +/-    1.41      21.7 +/-    1.41  0.100 / 0.290
G07     112.5          55.5               14.0 +/-    0.46      16.6 +/-    0.46  0.170 / 0.240
G08     41.8           18.2               11.3 +/-    1.37      26.0 +/-    1.37  0.030 / 0.030
G11     84.0           42.9               12.8 +/-    0.72      17.9 +/-    0.72  0.030 / 0.040
G13     306.3          30.9               12.6 +/-    1.05      21.6 +/-    1.05  0.030 / 0.030
G17     208.2          39.8               14.4 +/-    0.77      21.1 +/-    0.77  0.030 / 0.030
G18     76.3           24.7               12.9 +/-    1.72      25.3 +/-    1.72  0.070 / 0.090
G19     210.5          14.8               -1.4 +/-    8.72      -3.5 +/-    8.72  0.080 / 0.130
G28     326.1          61.5               11.8 +/-    0.72      13.3 +/-    0.72  0.060 / 0.150
G30     45.6           79.5               14.4 +/-    0.82      14.6 +/-    0.82  0.080 / 0.100