PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/29-05:28:00
G01     122.7          13.3                5.2 +/-    1.76      13.5 +/-    1.76  0.040 / 0.040
G07     63.4           68.6                5.8 +/-    0.41       6.2 +/-    0.41  0.050 / 0.040
G08     48.7           37.6                3.9 +/-    0.74       5.9 +/-    0.74  0.110 / 0.520
G09     175.7          31.0                6.0 +/-    0.44      10.2 +/-    0.44  0.120 / 0.440
G11     118.3          37.9                6.9 +/-    0.37      10.5 +/-    0.37  0.030 / 0.040
G13     319.8          15.3                1.1 +/-    1.73       2.6 +/-    1.73  0.030 / 0.040
G17     199.8          17.1                5.3 +/-    0.71      12.6 +/-    0.71  0.070 / 0.110
G28     271.9          48.1                6.0 +/-    1.45       7.7 +/-    1.45  0.070 / 0.090
G30     331.7          60.7                5.0 +/-    0.71       5.7 +/-    0.71  0.050 / 0.090