PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-17:27:50
G01     270.3          40.8                9.1 +/-    2.59      13.0 +/-    2.59  0.040 / 0.050
G03     316.2          32.5                6.9 +/-    2.15      11.5 +/-    2.15  0.040 / 0.050
G10     130.0          17.0                9.9 +/-    1.49      23.5 +/-    1.49  0.030 / 0.030
G11     252.7          20.3                8.5 +/-    3.62      18.6 +/-    3.62  0.030 / 0.020
G14     42.5           50.8                7.9 +/-    1.21       9.8 +/-    1.21  0.130 / 0.210
G22     314.0          53.4                8.4 +/-    0.79      10.2 +/-    0.79  0.140 / 0.180
G25     52.5           17.0                6.9 +/-    1.01      16.4 +/-    1.01  0.050 / 0.050
G26     147.3          25.6               12.2 +/-    0.90      23.5 +/-    0.90  0.050 / 0.050
G31     53.8           73.0                8.7 +/-    0.37       9.1 +/-    0.37  0.050 / 0.060
G32     65.0           31.7                7.0 +/-    1.53      11.9 +/-    1.53  0.060 / 0.070