PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-07:28:10
G01     86.5           31.4                3.5 +/-    1.28       6.0 +/-    1.28  0.030 / 0.030
G07     126.5          43.4                6.2 +/-    0.47       8.5 +/-    0.47  0.030 / 0.030
G11     68.7           41.7                3.8 +/-    1.14       5.4 +/-    1.14  0.140 / 0.250
G13     291.9          37.7                2.5 +/-    3.42       3.8 +/-    3.42  0.160 / 0.180
G15     313.7          11.1               -4.0 +/-   16.30     -10.8 +/-   16.30  0.040 / 0.050
G17     214.2          54.0                7.1 +/-    0.91       8.6 +/-    0.91  0.040 / 0.050
G19     214.0          30.5                6.1 +/-    2.77      10.7 +/-    2.77  0.040 / 0.050
G28     334.6          61.1                2.3 +/-    0.38       2.6 +/-    0.38  0.040 / 0.040
G30     103.8          78.0                5.1 +/-    0.64       5.2 +/-    0.64  0.100 / 0.140