PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/26-06:57:40
G01     219.9          10.8                5.5 +/-    3.06      15.1 +/-    3.06  0.060 / 0.080
G03     266.6          68.8                4.5 +/-    0.60       4.8 +/-    0.60  0.070 / 0.070
G09     300.7          16.7                4.8 +/-    1.86      11.6 +/-    1.86  0.030 / 0.050
G14     95.1           17.1                4.0 +/-    1.64       9.4 +/-    1.64  0.030 / 0.040
G16     140.8          53.1                7.4 +/-    0.50       9.0 +/-    0.50  0.130 / 0.340
G22     200.8          62.8                4.6 +/-    0.80       5.1 +/-    0.80  0.230 / 0.360
G23     313.0          42.3                3.6 +/-    1.41       5.1 +/-    1.41  0.100 / 0.390
G26     84.3           55.4                5.1 +/-    0.73       6.0 +/-    0.73  0.110 / 0.450
G31     48.4           26.0                3.5 +/-    1.43       6.7 +/-    1.43  0.040 / 0.050