PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-07:58:10
G08     265.9          16.4                7.9 +/-    2.15      19.0 +/-    2.15  0.050 / 0.070
G10     68.0           56.8                2.8 +/-    0.42       3.2 +/-    0.42  0.050 / 0.060
G11     309.5          18.8                4.5 +/-    1.18      10.1 +/-    1.18  0.070 / 0.390
G14     269.3          64.6                4.4 +/-    0.78       4.8 +/-    0.78  0.100 / 0.400
G18     310.5          34.2                6.5 +/-    2.23      10.5 +/-    2.23  0.340 / 0.410
G20     103.6          22.3                4.1 +/-    2.27       8.6 +/-    2.27  0.220 / 0.360
G21     155.4          12.2                3.2 +/-    2.07       8.5 +/-    2.07  0.120 / 0.230
G27     228.8          13.2                4.0 +/-   21.73      10.5 +/-   21.73  0.120 / 0.250
G31     175.8          36.3                6.5 +/-    1.20      10.1 +/-    1.20  0.180 / 0.390
G32     356.8          71.3                4.6 +/-    0.34       4.8 +/-    0.34  0.160 / 0.480