PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/14-02:12:30
G02     338.4          80.0                5.9 +/-    0.45       6.0 +/-    0.45  0.030 / 0.010
G05     164.3          31.6                9.5 +/-    2.44      16.1 +/-    2.44  0.030 / 0.010
G06     40.9           43.2                5.5 +/-    0.82       7.7 +/-    0.82  0.080 / 0.070
G12     315.4          67.7                7.3 +/-    0.66       7.8 +/-    0.66  0.070 / 0.040
G17     82.0           16.9                6.4 +/-    2.40      15.1 +/-    2.40  0.040 / 0.020
G19     72.0           29.7                7.2 +/-    1.47      12.6 +/-    1.47  0.050 / 0.010
G24     230.9          24.8                9.1 +/-    1.55      17.9 +/-    1.55  0.090 / 0.190
G25     317.7          25.3                5.9 +/-    1.29      11.5 +/-    1.29  0.150 / 0.120