PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/14-11:12:50
G01     269.4          40.7                6.4 +/-    1.90       9.2 +/-    1.90  0.080 / 0.070
G03     316.1          32.0                3.2 +/-    1.78       5.3 +/-    1.78  0.060 / 0.060
G10     130.4          16.1                5.0 +/-    1.71      12.0 +/-    1.71  0.060 / 0.050
G11     250.7          19.7                5.4 +/-    3.75      12.1 +/-    3.75  0.060 / 0.050
G14     39.3           52.9                4.2 +/-    0.91       5.2 +/-    0.91  0.090 / 0.070
G18     234.1          38.5                6.6 +/-    1.57       9.8 +/-    1.57  0.060 / 0.080
G22     314.0          57.5                4.5 +/-    1.26       5.2 +/-    1.26  0.110 / 0.090
G25     51.9           16.8                2.5 +/-    3.01       5.9 +/-    3.01  0.090 / 0.120
G31     51.4           70.4                5.2 +/-    0.59       5.4 +/-    0.59  0.180 / 0.360
G32     66.2           30.3                3.6 +/-    1.43       6.2 +/-    1.43  0.110 / 0.370