PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/22-03:57:50
G01     315.2          26.1                7.0 +/-    1.68      13.3 +/-    1.68  0.090 / 0.170
G10     92.5           46.5                9.4 +/-    0.83      12.4 +/-    0.83  0.140 / 0.190
G11     295.1          25.7                7.4 +/-    2.74      14.2 +/-    2.74  0.060 / 0.060
G14     321.6          71.0                7.5 +/-    0.69       7.9 +/-    0.69  0.050 / 0.050
G18     294.6          46.6                7.3 +/-    7.69       9.6 +/-    7.69  0.140 / 0.270
G20     112.4          23.3                9.5 +/-    1.12      19.2 +/-    1.12  0.330 / 0.400
G22     305.2          16.3                6.6 +/-    2.78      15.9 +/-    2.78  0.080 / 0.070
G25     94.7           11.8                5.8 +/-    3.51      15.6 +/-    3.51  0.040 / 0.080
G31     171.5          52.5               11.3 +/-    0.80      13.8 +/-    0.80  0.210 / 0.230
G32     19.5           62.3                6.6 +/-    0.69       7.4 +/-    0.69  0.190 / 0.240