PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-05:27:50
G01     229.7          21.9                8.0 +/-    2.16      16.9 +/-    2.16  0.030 / 0.040
G03     301.8          63.1                5.8 +/-    0.70       6.4 +/-    0.70  0.030 / 0.040
G14     79.3           29.5                3.2 +/-    0.76       5.7 +/-    0.76  0.070 / 0.130
G16     150.7          38.1                6.2 +/-    1.08       9.3 +/-    1.08  0.080 / 0.170
G18     206.6          11.2                4.8 +/-    4.09      13.0 +/-    4.09  0.120 / 0.210
G22     242.2          74.4                5.3 +/-    0.55       5.5 +/-    0.55  0.120 / 0.200
G23     304.1          35.7                4.9 +/-    1.19       7.6 +/-    1.19  0.040 / 0.040
G26     109.4          52.0                5.8 +/-    0.52       7.1 +/-    0.52  0.030 / 0.040
G31     43.7           36.6                2.6 +/-    0.64       4.0 +/-    0.64  0.040 / 0.050
G32     93.5           10.7                3.5 +/-    1.90       9.6 +/-    1.90  0.040 / 0.050