PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-04:13:10
G10     275.3          42.6                8.3 +/-    1.48      11.6 +/-    1.48  0.070 / 0.140
G13     39.1           12.6                4.4 +/-    0.95      11.7 +/-    0.95  0.090 / 0.140
G15     53.0           43.6                5.4 +/-    1.08       7.4 +/-    1.08  0.040 / 0.040
G20     329.8          66.4                6.0 +/-    0.63       6.5 +/-    0.63  0.040 / 0.040
G21     22.7           75.7                7.1 +/-    0.58       7.3 +/-    0.58  0.090 / 0.260
G24     113.4          18.5                5.4 +/-    2.21      12.3 +/-    2.21  0.110 / 0.240
G27     314.6          24.5                6.7 +/-    2.34      13.2 +/-    2.34  0.130 / 0.310
G29     168.9          24.2                5.2 +/-    2.63      10.4 +/-    2.63  0.130 / 0.300
G32     205.1          17.6                8.6 +/-    3.04      20.0 +/-    3.04  0.040 / 0.050