PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/08-03:43:00
G08     273.8          21.2               10.7 +/-    2.67      23.0 +/-    2.67  0.030 / 0.020
G10     42.6           61.8                5.9 +/-    0.52       6.6 +/-    0.52  0.030 / 0.020
G11     315.0          13.7                6.6 +/-    1.46      16.9 +/-    1.46  0.040 / 0.030
G14     252.3          62.3                9.2 +/-    0.60      10.3 +/-    0.60  0.030 / 0.030
G18     82.3           42.8                7.3 +/-    0.57      10.2 +/-    0.57  0.090 / 0.170
G21     152.4          23.3                8.7 +/-    0.64      17.7 +/-    0.64  0.120 / 0.170
G24     44.4           17.3                6.5 +/-    2.57      15.4 +/-    2.57  0.110 / 0.260
G27     236.9          21.0                9.4 +/-    1.62      20.1 +/-    1.62  0.130 / 0.130
G31     180.2          21.6                9.6 +/-    3.34      20.3 +/-    3.34  0.230 / 0.150
G32     299.0          75.6                7.5 +/-    0.49       7.7 +/-    0.49  0.400 / 0.430