PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-03:58:00
G01     52.6           27.1                2.6 +/-    2.39       4.9 +/-    2.39  0.030 / 0.050
G06     180.7          19.7                5.6 +/-    2.08      12.5 +/-    2.08  0.040 / 0.050
G07     145.4          15.1                5.8 +/-    3.21      14.5 +/-    3.21  0.030 / 0.020
G11     46.0           18.9                3.0 +/-    3.07       6.9 +/-    3.07  0.020 / 0.020
G13     254.7          31.8                5.0 +/-    3.16       8.4 +/-    3.16  0.170 / 0.310
G15     285.6          16.5                4.5 +/-    1.96      10.8 +/-    1.96  0.170 / 0.350
G17     296.1          78.7                5.6 +/-    0.48       5.7 +/-    0.48  0.190 / 0.230
G19     243.0          58.4                5.6 +/-    1.40       6.5 +/-    1.40  0.170 / 0.250
G28     49.1           53.6                4.2 +/-    0.98       5.1 +/-    0.98  0.090 / 0.140
G30     147.4          40.9                5.5 +/-    0.88       7.9 +/-    0.88  0.090 / 0.110