PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/13-01:42:40
G08     317.0          14.5                5.7 +/-    2.40      14.5 +/-    2.40  0.050 / 0.080
G10     310.1          55.2                8.2 +/-    1.98       9.7 +/-    1.98  0.050 / 0.070
G14     212.9          21.9               11.5 +/-    2.28      24.1 +/-    2.28  0.040 / 0.040
G15     45.6           22.1                5.9 +/-    3.28      12.3 +/-    3.28  0.040 / 0.040
G18     15.2           64.2                8.7 +/-    1.16       9.5 +/-    1.16  0.080 / 0.100
G20     78.3           11.2                8.2 +/-    2.04      22.2 +/-    2.04  0.080 / 0.100
G21     118.5          67.2               12.4 +/-    0.81      13.3 +/-    0.81  0.070 / 0.060
G24     89.0           29.4               10.0 +/-    1.11      17.7 +/-    1.11  0.080 / 0.050
G27     287.8          37.7                6.3 +/-    1.39       9.6 +/-    1.39  0.160 / 0.200
G32     215.5          39.7               11.6 +/-    1.12      17.0 +/-    1.12  0.170 / 0.330