PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/10-06:27:50
G01     258.2          38.2                5.1 +/-    1.13       7.7 +/-    1.13  0.140 / 0.310
G03     316.4          35.5                2.8 +/-    1.15       4.4 +/-    1.15  0.180 / 0.300
G10     134.6          10.4                3.1 +/-    2.20       8.6 +/-    2.20  0.040 / 0.050
G11     239.8          16.3                4.7 +/-    1.50      11.2 +/-    1.50  0.050 / 0.050
G14     55.3           43.1                2.9 +/-    0.61       4.0 +/-    0.61  0.040 / 0.080
G22     310.7          60.9                5.1 +/-    0.84       5.7 +/-    0.84  0.040 / 0.100
G25     41.0           10.4                2.5 +/-    1.77       6.8 +/-    1.77  0.070 / 0.080
G26     143.3          32.0                6.7 +/-    0.99      11.3 +/-    0.99  0.070 / 0.080
G31     43.1           65.5                2.8 +/-    0.20       3.1 +/-    0.20  0.120 / 0.400
G32     71.4           27.8                2.2 +/-    0.78       4.1 +/-    0.78  0.120 / 0.350