PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-05:28:10
G01     314.0          27.7                4.7 +/-    2.09       8.6 +/-    2.09  0.090 / 0.160
G10     95.3           45.2                5.3 +/-    1.13       7.2 +/-    1.13  0.110 / 0.150
G11     292.4          26.5                7.7 +/-    2.06      14.5 +/-    2.06  0.040 / 0.040
G14     330.2          70.7                4.8 +/-    0.35       5.1 +/-    0.35  0.030 / 0.030
G18     291.2          47.8                6.9 +/-    8.55       8.9 +/-    8.55  0.090 / 0.170
G20     114.1          21.4                5.5 +/-    1.25      11.7 +/-    1.25  0.070 / 0.130
G22     306.4          18.8                5.9 +/-    1.97      13.5 +/-    1.97  0.040 / 0.040
G25     92.4           12.8                4.9 +/-    2.53      12.9 +/-    2.53  0.040 / 0.050
G31     170.8          54.9                7.9 +/-    0.98       9.4 +/-    0.98  0.060 / 0.060
G32     21.5           61.1                5.3 +/-    0.73       5.9 +/-    0.73  0.060 / 0.080