PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-15:58:10
G01     318.7          18.6                5.3 +/-    1.16      12.1 +/-    1.16  0.050 / 0.060
G08     258.7          12.7                7.3 +/-    2.34      19.2 +/-    2.34  0.060 / 0.080
G10     80.7           53.2                5.5 +/-    0.73       6.6 +/-    0.73  0.180 / 0.440
G11     304.3          21.9                4.2 +/-    2.09       8.8 +/-    2.09  0.180 / 0.330
G14     296.5          70.1                6.4 +/-    0.59       6.7 +/-    0.59  0.040 / 0.050
G22     301.3          12.0                5.3 +/-    2.42      14.1 +/-    2.42  0.040 / 0.060
G31     175.6          43.3                9.0 +/-    1.23      12.4 +/-    1.23  0.030 / 0.050
G32     10.2           66.5                4.5 +/-    0.63       4.8 +/-    0.63  0.030 / 0.040