PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/16-00:43:00
G01     319.9          15.9                4.9 +/-    4.62      12.0 +/-    4.62  0.130 / 0.360
G08     258.2          14.4                9.2 +/-    1.66      23.3 +/-    1.66  0.140 / 0.300
G10     76.2           54.2                8.5 +/-    0.41      10.2 +/-    0.41  0.080 / 0.200
G11     304.5          22.5                5.5 +/-    1.28      11.4 +/-    1.28  0.070 / 0.230
G14     287.4          69.6                6.9 +/-    0.49       7.3 +/-    0.49  0.190 / 0.360
G18     306.2          39.4                6.0 +/-    1.19       8.8 +/-    1.19  0.160 / 0.320
G20     103.2          30.9                9.5 +/-    0.87      16.3 +/-    0.87  0.040 / 0.060
G27     226.6          10.5               11.6 +/-    3.80      32.0 +/-    3.80  0.040 / 0.050
G31     176.0          39.9               10.1 +/-    1.29      14.8 +/-    1.29  0.140 / 0.310
G32     5.5            68.5                7.2 +/-    0.42       7.6 +/-    0.42  0.140 / 0.320