PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-16:12:50
G01     38.2           10.7                9.7 +/-    1.32      26.6 +/-    1.32  0.130 / 0.390
G02     200.7          11.9               12.4 +/-   11.68      33.3 +/-   11.68  0.090 / 0.380
G06     173.0          47.0               13.1 +/-    0.89      17.2 +/-    0.89  0.070 / 0.190
G13     233.8          17.5               11.3 +/-    2.44      26.3 +/-    2.44  0.070 / 0.180
G17     18.4           62.9               10.6 +/-    0.66      11.8 +/-    0.66  0.190 / 0.370
G19     307.9          72.2                4.1 +/-   27.33       4.3 +/-   27.33  0.230 / 0.420
G24     314.7          23.4               12.1 +/-    2.17      24.6 +/-    2.17  0.120 / 0.180
G28     80.9           43.0               10.0 +/-    4.07      13.9 +/-    4.07  0.140 / 0.200
G30     156.6          22.6               11.0 +/-    1.17      22.7 +/-    1.17  0.030 / 0.040