PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/06-07:57:30
G01     40.4           15.6                2.8 +/-    2.79       6.9 +/-    2.79  0.080 / 0.120
G06     173.7          38.1                7.1 +/-    1.38      10.6 +/-    1.38  0.070 / 0.110
G13     237.2          23.5                6.3 +/-    1.86      12.6 +/-    1.86  0.280 / 0.260
G15     270.2          12.7                3.9 +/-    1.18      10.2 +/-    1.18  0.160 / 0.280
G17     358.8          71.8                5.3 +/-    0.36       5.6 +/-    0.36  0.030 / 0.020
G19     276.8          70.5                6.3 +/-    1.29       6.6 +/-    1.29  0.030 / 0.030
G24     317.2          16.7                4.0 +/-    1.56       9.5 +/-    1.56  0.360 / 0.270
G28     60.5           53.4                6.0 +/-    0.78       7.2 +/-    0.78  0.230 / 0.320
G30     155.3          31.9                6.3 +/-    1.36      10.6 +/-    1.36  0.040 / 0.050