PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/12-01:13:10
G01     317.6          21.3                5.3 +/-    3.59      11.3 +/-    3.59  0.050 / 0.040
G08     252.6          11.0                8.4 +/-    2.37      23.0 +/-    2.37  0.040 / 0.040
G10     86.2           50.5                6.1 +/-    0.72       7.7 +/-    0.72  0.130 / 0.320
G11     298.5          25.3                6.7 +/-    1.39      12.9 +/-    1.39  0.130 / 0.310
G14     307.6          70.9                6.2 +/-    0.73       6.5 +/-    0.73  0.050 / 0.060
G18     299.7          43.9                6.1 +/-    0.73       8.3 +/-    0.73  0.050 / 0.060
G20     108.8          26.2                7.6 +/-    0.99      14.4 +/-    0.99  0.070 / 0.200
G22     302.7          12.9                5.8 +/-    2.80      15.2 +/-    2.80  0.080 / 0.200
G31     174.1          47.3                7.1 +/-    1.14       9.3 +/-    1.14  0.140 / 0.200
G32     17.3           63.6                3.8 +/-    0.85       4.2 +/-    0.85  0.120 / 0.210