PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-09:58:00
G01     39.5           13.4                1.5 +/-    1.05       4.0 +/-    1.05  0.040 / 0.070
G02     199.2          12.3                6.1 +/-    2.46      16.3 +/-    2.46  0.040 / 0.070
G06     176.9          40.8               10.1 +/-    0.92      14.5 +/-    0.92  0.030 / 0.040
G13     236.0          19.6                6.0 +/-    1.08      13.3 +/-    1.08  0.040 / 0.040
G15     267.5          11.2                5.4 +/-    3.67      14.7 +/-    3.67  0.150 / 0.390
G17     12.5           66.1                4.7 +/-    0.44       5.0 +/-    0.44  0.080 / 0.410
G19     294.7          71.6                6.2 +/-    1.00       6.5 +/-    1.00  0.170 / 0.280
G24     315.9          21.0                5.1 +/-    2.42      11.0 +/-    2.42  0.110 / 0.190
G28     77.3           44.4                4.2 +/-    0.64       5.7 +/-    0.64  0.080 / 0.130
G30     155.4          23.6                6.5 +/-    1.90      13.0 +/-    1.90  0.090 / 0.110