PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/16-01:27:50
G01     274.2          41.2                4.7 +/-    0.91       6.7 +/-    0.91  0.050 / 0.060
G03     315.1          25.4                4.7 +/-    2.04       9.1 +/-    2.04  0.040 / 0.060
G10     128.2          19.9                6.7 +/-    1.05      14.7 +/-    1.05  0.020 / 0.020
G11     251.7          22.1                6.1 +/-    2.64      12.7 +/-    2.64  0.020 / 0.020
G14     41.7           50.6                2.9 +/-    0.51       3.6 +/-    0.51  0.100 / 0.250
G22     314.4          48.3                3.5 +/-    0.75       4.5 +/-    0.75  0.100 / 0.240
G25     53.1           16.5                4.0 +/-    1.60       9.5 +/-    1.60  0.060 / 0.090
G26     153.8          20.6                9.1 +/-    1.80      19.6 +/-    1.80  0.050 / 0.090
G31     72.1           80.2                4.6 +/-    0.64       4.7 +/-    0.64  0.050 / 0.080
G32     60.0           36.7                3.1 +/-    0.97       4.8 +/-    0.97  0.040 / 0.070