PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-05:12:30
G01     89.8           31.8                5.6 +/-    0.97       9.5 +/-    0.97  0.070 / 0.100
G07     126.0          43.2                7.8 +/-    0.51      10.8 +/-    0.51  0.080 / 0.110
G11     66.4           38.7                4.4 +/-    1.12       6.5 +/-    1.12  0.030 / 0.020
G13     293.9          36.6                6.3 +/-    2.21       9.8 +/-    2.21  0.020 / 0.020
G17     213.7          56.7                8.3 +/-    0.91       9.7 +/-    0.91  0.040 / 0.050
G19     214.7          25.0                7.5 +/-    1.25      14.6 +/-    1.25  0.040 / 0.050
G28     345.2          61.8                4.6 +/-    0.94       5.1 +/-    0.94  0.040 / 0.040
G30     101.9          77.5                5.9 +/-    0.56       6.1 +/-    0.56  0.050 / 0.040