PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-03:13:00
G01     46.7           22.7                3.6 +/-    1.66       7.5 +/-    1.66  0.050 / 0.050
G06     178.8          27.6                7.0 +/-    1.80      12.9 +/-    1.80  0.040 / 0.060
G11     44.4           13.3                2.5 +/-    1.65       6.5 +/-    1.65  0.090 / 0.150
G13     246.9          27.8                4.9 +/-    1.77       9.1 +/-    1.77  0.110 / 0.130
G15     278.5          15.1                1.7 +/-    3.04       4.3 +/-    3.04  0.070 / 0.120
G17     330.2          76.8                6.3 +/-    0.32       6.4 +/-    0.32  0.070 / 0.180
G19     255.9          64.0                5.8 +/-    0.78       6.3 +/-    0.78  0.020 / 0.030
G24     318.9          11.0              -10.7 +/-   25.53     -29.1 +/-   25.53  0.030 / 0.030
G28     60.0           50.6                4.5 +/-    0.55       5.6 +/-    0.55  0.090 / 0.190
G30     150.5          32.7                6.4 +/-    2.14      10.6 +/-    2.14  0.100 / 0.240