PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-05:28:00
G01     87.4           31.0                5.6 +/-    1.06       9.7 +/-    1.06  0.030 / 0.020
G07     125.4          45.1                7.9 +/-    0.57      10.7 +/-    0.57  0.030 / 0.020
G11     70.8           42.8                5.6 +/-    0.71       7.8 +/-    0.71  0.050 / 0.050
G13     293.1          37.5                5.5 +/-    4.05       8.4 +/-    4.05  0.050 / 0.050
G15     313.5          11.4                2.6 +/-    2.13       7.0 +/-    2.13  0.230 / 0.330
G17     213.1          53.9                9.7 +/-    0.77      11.7 +/-    0.77  0.130 / 0.420
G19     213.4          29.6                8.9 +/-    1.51      15.8 +/-    1.51  0.040 / 0.050
G28     331.3          60.8                4.4 +/-    0.53       4.9 +/-    0.53  0.040 / 0.060
G30     96.7           79.5                5.4 +/-    0.84       5.5 +/-    0.84  0.050 / 0.070