PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-00:57:30
G01     117.8          18.9                7.3 +/-    0.96      16.6 +/-    0.96  0.040 / 0.070
G07     83.8           65.9                6.0 +/-    0.29       6.5 +/-    0.29  0.040 / 0.090
G08     44.9           31.8                4.4 +/-    0.73       7.5 +/-    0.73  0.040 / 0.060
G09     177.5          25.5                7.0 +/-    1.67      13.6 +/-    1.67  0.040 / 0.070
G11     107.9          40.3                7.3 +/-    1.57      10.6 +/-    1.57  0.060 / 0.180
G13     317.4          19.7                3.9 +/-    1.51       8.6 +/-    1.51  0.050 / 0.130
G17     202.4          25.2                7.8 +/-    2.50      15.2 +/-    2.50  0.150 / 0.220
G28     296.7          58.3                5.3 +/-    0.85       6.1 +/-    0.85  0.130 / 0.270
G30     1.0            72.3                4.3 +/-    0.92       4.5 +/-    0.92  0.110 / 0.390