PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/10-06:58:10
G01     118.0          17.0                4.6 +/-    1.88      10.9 +/-    1.88  0.030 / 0.030
G07     80.4           66.0                5.6 +/-    0.50       6.0 +/-    0.50  0.030 / 0.040
G08     45.8           33.5                2.6 +/-    0.34       4.3 +/-    0.34  0.050 / 0.140
G09     175.7          25.7                6.1 +/-    1.03      11.7 +/-    1.03  0.070 / 0.130
G11     110.5          40.9                7.1 +/-    0.53      10.1 +/-    0.53  0.110 / 0.330
G13     317.5          20.0                3.4 +/-    2.45       7.4 +/-    2.45  0.110 / 0.410
G17     201.0          22.3                4.6 +/-    0.55       9.6 +/-    0.55  0.030 / 0.040
G28     280.8          51.6                6.2 +/-    0.81       7.6 +/-    0.81  0.030 / 0.040
G30     339.9          66.3                3.9 +/-    0.69       4.3 +/-    0.69  0.060 / 0.090