PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-05:27:50
G01     314.3          27.4                5.5 +/-    1.54      10.1 +/-    1.54  0.080 / 0.150
G10     94.8           45.5                6.0 +/-    0.74       8.0 +/-    0.74  0.070 / 0.150
G11     292.9          26.4                5.5 +/-    1.51      10.5 +/-    1.51  0.050 / 0.060
G14     328.9          70.8                5.9 +/-    0.91       6.2 +/-    0.91  0.040 / 0.050
G18     291.8          47.6                6.1 +/-    0.72       7.9 +/-    0.72  0.030 / 0.060
G20     113.7          21.7                6.1 +/-    0.74      12.9 +/-    0.74  0.040 / 0.050
G22     306.2          18.4                6.8 +/-    1.52      15.6 +/-    1.52  0.090 / 0.150
G25     92.8           12.6                4.6 +/-    1.41      12.1 +/-    1.41  0.100 / 0.170
G31     171.0          54.4                7.9 +/-    0.83       9.4 +/-    0.83  0.170 / 0.360
G32     20.9           61.4                4.8 +/-    0.43       5.3 +/-    0.43  0.190 / 0.370