PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/27-03:13:10
G01     317.8          20.4                7.9 +/-    1.71      17.1 +/-    1.71  0.170 / 0.380
G08     253.3          11.7                8.7 +/-    1.80      23.4 +/-    1.80  0.130 / 0.300
G10     83.2           52.6                5.8 +/-    0.70       7.1 +/-    0.70  0.030 / 0.030
G11     298.8          26.0                7.4 +/-    2.43      14.1 +/-    2.43  0.020 / 0.020
G14     311.6          71.6                6.5 +/-    0.51       6.8 +/-    0.51  0.180 / 0.330
G18     103.7          28.0                5.2 +/-    1.15       9.4 +/-    1.15  0.110 / 0.260
G22     301.8          12.5                8.0 +/-    1.00      21.0 +/-    1.00  0.060 / 0.070
G31     176.4          44.2                8.9 +/-    1.56      12.1 +/-    1.56  0.060 / 0.060
G32     8.3            66.6                6.2 +/-    0.73       6.6 +/-    0.73  0.040 / 0.080