PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/30-07:27:50
G01     59.1           30.1                5.2 +/-    1.85       9.0 +/-    1.85  0.030 / 0.040
G06     182.7          12.7                3.3 +/-    4.31       8.6 +/-    4.31  0.040 / 0.060
G07     142.6          20.7                5.8 +/-    2.11      12.6 +/-    2.11  0.050 / 0.130
G11     48.0           22.8                2.9 +/-    1.62       5.9 +/-    1.62  0.100 / 0.160
G13     263.1          34.6                7.9 +/-    2.00      12.7 +/-    2.00  0.110 / 0.200
G15     292.7          16.7                4.0 +/-    1.65       9.6 +/-    1.65  0.110 / 0.230
G17     267.7          78.0                7.5 +/-    0.34       7.7 +/-    0.34  0.020 / 0.020
G19     234.3          53.1                7.6 +/-    1.97       9.3 +/-    1.97  0.030 / 0.020
G28     38.4           56.0                5.9 +/-    1.62       7.0 +/-    1.62  0.270 / 0.410
G30     143.8          50.3                8.7 +/-    0.45      11.0 +/-    0.45  0.300 / 0.370