PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-03:43:00
G01     120.1          16.9                7.0 +/-    1.01      16.5 +/-    1.01  0.030 / 0.030
G07     81.4           65.4                5.5 +/-    0.51       6.0 +/-    0.51  0.030 / 0.030
G08     44.6           30.0                3.2 +/-    1.62       5.6 +/-    1.62  0.140 / 0.230
G09     175.5          25.3                5.6 +/-    2.37      10.8 +/-    2.37  0.090 / 0.150
G11     106.0          39.7                6.3 +/-    0.78       9.2 +/-    0.78  0.080 / 0.070
G13     318.0          18.9                2.3 +/-    1.28       5.2 +/-    1.28  0.080 / 0.080
G17     200.2          25.8                6.1 +/-    1.66      11.6 +/-    1.66  0.060 / 0.080
G18     92.1           20.1                6.8 +/-    2.25      14.9 +/-    2.25  0.060 / 0.150
G28     287.3          55.5                5.6 +/-    2.52       6.6 +/-    2.52  0.030 / 0.050
G30     341.5          66.6                4.3 +/-    1.09       4.7 +/-    1.09  0.020 / 0.030