PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-01:58:00
G08     319.7          12.0                8.6 +/-    3.43      23.1 +/-    3.43  0.140 / 0.170
G10     303.3          53.3                9.5 +/-    0.95      11.5 +/-    0.95  0.110 / 0.190
G14     211.4          17.9               16.3 +/-    1.55      37.8 +/-    1.55  0.030 / 0.030
G15     45.8           26.2                9.4 +/-    3.22      17.9 +/-    3.22  0.030 / 0.030
G18     5.6            65.3               11.1 +/-    0.88      12.1 +/-    0.88  0.070 / 0.110
G20     75.2           13.8                8.9 +/-    2.59      22.9 +/-    2.59  0.070 / 0.120
G21     109.4          70.8               12.4 +/-    0.80      13.1 +/-    0.80  0.060 / 0.040
G24     93.9           28.2               13.3 +/-    1.68      24.3 +/-    1.68  0.060 / 0.040
G27     293.2          36.8               12.4 +/-    1.57      19.1 +/-    1.57  0.150 / 0.300
G32     213.2          35.6               12.9 +/-    2.74      20.2 +/-    2.74  0.210 / 0.460