PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/28-07:12:50
G01     262.9          39.6                6.9 +/-    1.25      10.1 +/-    1.25  0.040 / 0.050
G03     316.2          32.1                5.2 +/-    3.55       8.7 +/-    3.55  0.030 / 0.040
G10     132.8          13.5                6.2 +/-    1.85      16.0 +/-    1.85  0.080 / 0.090
G11     242.7          18.3                5.6 +/-    1.39      12.9 +/-    1.39  0.110 / 0.110
G14     51.3           45.3                1.2 +/-    1.05       1.7 +/-    1.05  0.130 / 0.260
G22     312.6          58.0                4.1 +/-    1.52       4.8 +/-    1.52  0.120 / 0.270
G25     43.8           12.1                2.5 +/-    1.90       6.5 +/-    1.90  0.110 / 0.220
G26     145.4          29.0                6.2 +/-    1.45      11.2 +/-    1.45  0.110 / 0.230
G31     46.2           68.8                4.2 +/-    0.67       4.4 +/-    0.67  0.040 / 0.090
G32     68.5           29.7                5.5 +/-    1.90       9.6 +/-    1.90  0.040 / 0.130