PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-12:42:50
G03     198.9          40.1                3.9 +/-    1.58       5.7 +/-    1.58  0.080 / 0.140
G07     271.5          25.7                7.8 +/-    1.06      15.0 +/-    1.06  0.090 / 0.150
G08     155.2          11.5                3.6 +/-   12.63       9.8 +/-   12.63  0.100 / 0.180
G09     318.0          44.0                2.6 +/-    0.91       3.6 +/-    0.91  0.070 / 0.130
G16     55.5           54.9                4.0 +/-    0.33       4.8 +/-    0.33  0.190 / 0.360
G22     181.3          22.2                3.9 +/-    2.77       8.1 +/-    2.77  0.210 / 0.390
G23     6.1            77.6                3.7 +/-    0.67       3.8 +/-    0.67  0.030 / 0.040
G26     44.0           26.6                6.5 +/-    1.95      12.3 +/-    1.95  0.020 / 0.030
G27     120.0          22.6                6.8 +/-    1.05      14.0 +/-    1.05  0.030 / 0.050