PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/11-03:58:10
G08     270.7          18.3                7.0 +/-    1.69      16.0 +/-    1.69  0.130 / 0.320
G10     62.0           57.3                5.0 +/-    1.13       5.8 +/-    1.13  0.120 / 0.290
G14     264.2          65.7                5.7 +/-    0.86       6.2 +/-    0.86  0.030 / 0.030
G18     312.6          32.3                4.9 +/-    1.11       8.2 +/-    1.11  0.040 / 0.030
G20     94.9           37.2                4.8 +/-    1.36       7.3 +/-    1.36  0.100 / 0.210
G21     155.1          16.5                5.9 +/-    2.38      14.1 +/-    2.38  0.130 / 0.240
G24     40.2           10.4                3.7 +/-    2.18      10.3 +/-    2.18  0.050 / 0.050
G27     232.7          16.8                6.8 +/-    1.70      16.3 +/-    1.70  0.050 / 0.050
G31     177.3          30.8                6.0 +/-    2.68      10.4 +/-    2.68  0.070 / 0.130
G32     330.5          74.8                5.4 +/-    0.60       5.6 +/-    0.60  0.050 / 0.130