PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-06:57:50
G01     37.7           10.3                4.6 +/-    3.00      12.7 +/-    3.00  0.090 / 0.170
G02     199.9          14.8                4.6 +/-    3.02      11.5 +/-    3.02  0.090 / 0.150
G06     173.9          46.7                8.4 +/-    1.25      11.1 +/-    1.25  0.030 / 0.040
G13     230.8          16.9                6.4 +/-    4.20      15.3 +/-    4.20  0.030 / 0.030
G17     19.4           62.1                5.4 +/-    0.62       6.1 +/-    0.62  0.290 / 0.390
G19     296.1          70.2                6.6 +/-    0.47       6.9 +/-    0.47  0.170 / 0.300
G24     310.9          29.7                4.4 +/-    1.87       7.8 +/-    1.87  0.050 / 0.090
G28     79.8           44.4                7.6 +/-    0.67      10.3 +/-    0.67  0.050 / 0.080
G30     156.8          21.1                9.0 +/-    1.27      19.4 +/-    1.27  0.100 / 0.130