PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-05:13:10
G01     317.5          22.4                6.1 +/-    1.81      12.6 +/-    1.81  0.110 / 0.340
G08     256.2          11.5                8.8 +/-    6.56      23.6 +/-    6.56  0.140 / 0.260
G10     86.5           49.4                6.6 +/-    1.79       8.4 +/-    1.79  0.030 / 0.040
G11     299.3          24.5                5.1 +/-    0.80      10.2 +/-    0.80  0.040 / 0.040
G14     308.5          71.3                6.1 +/-    0.63       6.4 +/-    0.63  0.190 / 0.170
G18     300.0          44.1                5.8 +/-    3.72       8.0 +/-    3.72  0.140 / 0.130
G20     108.9          26.4                5.7 +/-    1.70      10.8 +/-    1.70  0.040 / 0.060
G22     303.2          13.8                8.8 +/-    3.97      22.5 +/-    3.97  0.040 / 0.050
G31     173.5          47.3                7.7 +/-    0.64      10.1 +/-    0.64  0.050 / 0.070
G32     10.7           66.0                5.2 +/-    1.15       5.6 +/-    1.15  0.120 / 0.100