PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-14:12:40
G03     313.0          21.6                5.5 +/-    3.15      11.7 +/-    3.15  0.060 / 0.050
G10     120.4          28.3               10.0 +/-    0.70      18.2 +/-    0.70  0.050 / 0.050
G11     267.1          25.4                8.0 +/-    2.61      15.6 +/-    2.61  0.100 / 0.130
G14     21.0           59.9                8.4 +/-    1.24       9.5 +/-    1.24  0.100 / 0.110
G18     126.8          -0.2               14.0 +/-    3.39      44.1 +/-    3.39  0.070 / 0.100
G22     314.5          42.4                8.3 +/-    0.61      11.7 +/-    0.61  0.130 / 0.130
G25     66.8           19.2                6.9 +/-    1.11      15.5 +/-    1.11  0.040 / 0.070
G31     114.6          79.2               10.0 +/-    0.60      10.2 +/-    0.60  0.050 / 0.060
G32     52.8           40.4                7.2 +/-    0.91      10.4 +/-    0.91  0.050 / 0.080