PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-05:27:50
G01     262.6          39.6                6.1 +/-    1.09       9.0 +/-    1.09  0.040 / 0.060
G03     316.4          33.5                3.5 +/-    1.48       5.8 +/-    1.48  0.040 / 0.050
G10     133.0          11.8                4.0 +/-    1.90      10.7 +/-    1.90  0.040 / 0.070
G11     244.2          17.0                7.9 +/-    1.99      18.7 +/-    1.99  0.040 / 0.080
G14     48.8           47.6                4.0 +/-    0.72       5.2 +/-    0.72  0.080 / 0.230
G18     228.1          34.7                6.4 +/-    1.79      10.3 +/-    1.79  0.130 / 0.310
G22     312.2          57.0                4.7 +/-    0.91       5.5 +/-    0.91  0.200 / 0.390
G25     46.5           14.2                1.3 +/-    0.95       3.2 +/-    0.95  0.110 / 0.430
G31     45.8           65.5                3.8 +/-    0.35       4.1 +/-    0.35  0.060 / 0.170
G32     70.4           27.1                3.2 +/-    0.96       6.0 +/-    0.96  0.060 / 0.170