PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/29-03:27:50
G01     315.5          25.7                4.7 +/-    1.45       9.1 +/-    1.45  0.160 / 0.310
G10     91.7           46.9                7.6 +/-    0.65       9.9 +/-    0.65  0.110 / 0.360
G11     295.9          25.4                5.8 +/-    0.63      11.2 +/-    0.63  0.150 / 0.190
G14     319.0          71.1                5.7 +/-    0.89       6.0 +/-    0.89  0.090 / 0.160
G18     295.4          46.2                8.7 +/-    5.14      11.5 +/-    5.14  0.080 / 0.050
G20     111.9          23.6                7.4 +/-    1.74      14.9 +/-    1.74  0.080 / 0.050
G22     304.8          15.7                4.9 +/-    1.92      12.0 +/-    1.92  0.050 / 0.070
G25     95.3           11.5                5.0 +/-    4.17      13.5 +/-    4.17  0.080 / 0.080
G31     171.7          51.9                8.4 +/-    0.65      10.3 +/-    0.65  0.190 / 0.240
G32     19.0           62.5                4.8 +/-    0.61       5.3 +/-    0.61  0.200 / 0.270