PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/26-07:43:10
G01     59.3           30.2                3.0 +/-    1.23       5.2 +/-    1.23  0.030 / 0.040
G06     182.6          12.7                2.9 +/-    4.56       7.7 +/-    4.56  0.040 / 0.050
G07     142.5          20.8                5.8 +/-    1.93      12.5 +/-    1.93  0.060 / 0.120
G11     48.0           22.8                1.7 +/-    1.75       3.5 +/-    1.75  0.060 / 0.120
G13     263.4          34.7                5.7 +/-    2.04       9.0 +/-    2.04  0.120 / 0.210
G15     292.9          16.7                2.6 +/-    1.67       6.3 +/-    1.67  0.120 / 0.200
G17     267.3          78.0                5.3 +/-    0.61       5.4 +/-    0.61  0.030 / 0.020
G19     234.1          53.0                4.1 +/-    2.25       5.0 +/-    2.25  0.030 / 0.020
G28     38.2           56.0                5.3 +/-    0.66       6.2 +/-    0.66  0.160 / 0.290
G30     143.7          50.6                6.7 +/-    0.34       8.4 +/-    0.34  0.250 / 0.490