PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/13-08:43:10
G01     315.6          25.5                3.5 +/-    1.22       6.8 +/-    1.22  0.110 / 0.150
G10     92.1           47.0                5.7 +/-    0.79       7.5 +/-    0.79  0.080 / 0.200
G11     294.4          26.3                6.3 +/-    3.12      12.0 +/-    3.12  0.110 / 0.170
G14     325.0          71.2                5.1 +/-    0.59       5.3 +/-    0.59  0.140 / 0.140
G18     294.0          47.1                5.9 +/-    8.36       7.8 +/-    8.36  0.060 / 0.040
G20     112.2          23.0                5.4 +/-    0.85      11.1 +/-    0.85  0.050 / 0.040
G22     305.8          19.2                2.8 +/-    2.45       6.3 +/-    2.45  0.050 / 0.050
G25     93.9           11.7                4.5 +/-    3.89      12.0 +/-    3.89  0.050 / 0.050
G31     173.4          51.1                5.7 +/-    0.69       7.1 +/-    0.69  0.040 / 0.030
G32     14.0           64.2                5.0 +/-    0.84       5.5 +/-    0.84  0.040 / 0.030