PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-15:12:50
G01     127.0          10.8                4.5 +/-   28.45      12.3 +/-   28.45  0.080 / 0.110
G07     63.5           66.9                9.6 +/-    0.38      10.4 +/-    0.38  0.060 / 0.080
G08     51.8           41.1                6.6 +/-    0.84       9.4 +/-    0.84  0.070 / 0.110
G09     179.1          38.5               10.3 +/-    0.81      15.3 +/-    0.81  0.060 / 0.090
G11     118.5          35.6                9.2 +/-    0.75      14.5 +/-    0.75  0.040 / 0.040
G13     321.0          11.8                2.6 +/-   15.59       7.0 +/-   15.59  0.030 / 0.040
G17     199.7          12.8                7.6 +/-    4.23      20.0 +/-    4.23  0.120 / 0.360
G18     103.1          16.2                9.6 +/-    1.19      23.2 +/-    1.19  0.110 / 0.410
G28     269.2          48.1                9.7 +/-    2.30      12.5 +/-    2.30  0.070 / 0.070