PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-02:43:10
G01     112.8          20.1                8.8 +/-    0.78      19.4 +/-    0.78  0.030 / 0.030
G07     89.6           64.7                6.1 +/-    0.59       6.7 +/-    0.59  0.030 / 0.040
G08     43.2           26.7                3.4 +/-    1.71       6.4 +/-    1.71  0.090 / 0.200
G09     173.0          18.1                8.1 +/-    2.44      18.8 +/-    2.44  0.090 / 0.200
G11     106.7          43.3                7.9 +/-    0.53      10.9 +/-    0.53  0.040 / 0.080
G13     314.9          24.0                2.3 +/-    2.94       4.7 +/-    2.94  0.040 / 0.090
G17     201.5          29.3                6.0 +/-    0.97      10.7 +/-    0.97  0.030 / 0.040
G28     286.8          53.1                5.5 +/-    0.84       6.7 +/-    0.84  0.030 / 0.040
G30     343.7          69.2                3.5 +/-    1.12       3.7 +/-    1.12  0.040 / 0.070