PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/22-10:12:50
G01     314.8          26.4                3.5 +/-    0.99       6.7 +/-    0.99  0.100 / 0.180
G10     93.8           46.2                5.0 +/-    0.94       6.7 +/-    0.94  0.110 / 0.160
G11     292.8          26.8                3.5 +/-    1.37       6.5 +/-    1.37  0.050 / 0.040
G14     330.1          71.0                3.7 +/-    0.92       3.9 +/-    0.92  0.050 / 0.040
G18     291.7          48.0                2.7 +/-    6.06       3.6 +/-    6.06  0.130 / 0.280
G20     113.3          21.9                4.9 +/-    2.53      10.2 +/-    2.53  0.110 / 0.270
G22     306.7          21.5                3.4 +/-    4.03       7.1 +/-    4.03  0.050 / 0.050
G25     92.1           12.3                4.3 +/-    1.46      11.5 +/-    1.46  0.050 / 0.050
G31     173.7          52.1                5.3 +/-    0.85       6.5 +/-    0.85  0.080 / 0.240
G32     14.5           63.9                4.0 +/-    0.79       4.4 +/-    0.79  0.090 / 0.220