PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-10:28:10
G02     214.6          56.1                6.7 +/-    0.63       7.9 +/-    0.63  0.040 / 0.060
G06     65.8           76.7                7.0 +/-    0.39       7.2 +/-    0.39  0.050 / 0.050
G12     317.8          34.5                3.5 +/-    1.25       5.7 +/-    1.25  0.080 / 0.080
G17     56.8           31.7                3.9 +/-    2.46       6.5 +/-    2.46  0.100 / 0.070
G19     32.4           53.1                7.0 +/-    0.91       8.6 +/-    0.91  0.020 / 0.020
G24     263.3          43.0                5.6 +/-    5.81       7.8 +/-    5.81  0.030 / 0.010
G28     120.5          16.9                6.7 +/-    2.62      15.9 +/-    2.62  0.040 / 0.030