PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-00:13:00
G05     48.4           17.9                6.7 +/-    0.46      15.5 +/-    0.46  0.070 / 0.140
G10     235.2          11.2                5.5 +/-   40.44      14.9 +/-   40.44  0.070 / 0.150
G13     77.8           36.4               11.4 +/-    0.86      17.6 +/-    0.86  0.100 / 0.360
G15     130.1          50.9               13.9 +/-    0.95      17.3 +/-    0.95  0.090 / 0.300
G16     314.4          12.6                8.4 +/-    4.52      22.1 +/-    4.52  0.140 / 0.380
G20     243.5          23.9               13.7 +/-    0.76      27.4 +/-    0.76  0.120 / 0.330
G21     310.9          45.2                9.5 +/-    1.20      12.8 +/-    1.20  0.040 / 0.090
G25     200.1          12.1               13.1 +/-    2.38      34.9 +/-    2.38  0.040 / 0.080
G26     287.6          21.0                9.6 +/-    2.60      20.7 +/-    2.60  0.180 / 0.170
G29     154.9          75.5               12.1 +/-    0.88      12.5 +/-    0.88  0.120 / 0.260