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                9.6 +/-    0.96      13.8 +/-    0.96  0.040 / 0.070
G03     316.2          32.5                8.1 +/-    2.66      13.5 +/-    2.66  0.050 / 0.080
G10     130.0          17.0               10.6 +/-    1.74      25.1 +/-    1.74  0.040 / 0.060
G11     252.7          20.3               10.8 +/-    1.24      23.7 +/-    1.24  0.050 / 0.060
G14     42.5           50.8                6.9 +/-    0.82       8.7 +/-    0.82  0.030 / 0.030
G22     314.0          53.4                8.1 +/-    1.22       9.8 +/-    1.22  0.040 / 0.030
G25     52.5           17.0                7.4 +/-    0.93      17.6 +/-    0.93  0.070 / 0.080
G26     147.3          25.6               12.2 +/-    1.51      23.4 +/-    1.51  0.040 / 0.080
G31     53.8           73.0               10.4 +/-    0.74      10.9 +/-    0.74  0.080 / 0.080
G32     65.0           31.7                8.0 +/-    0.52      13.5 +/-    0.52  0.080 / 0.080