PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/10-00:58:10
G08     298.6          21.1                8.5 +/-    0.92      18.3 +/-    0.92  0.070 / 0.100
G10     8.7            62.7                7.6 +/-    0.77       8.4 +/-    0.77  0.060 / 0.100
G14     228.1          44.2               12.1 +/-    2.11      16.4 +/-    2.11  0.050 / 0.060
G20     63.9           52.8                9.9 +/-    0.83      12.1 +/-    0.83  0.050 / 0.070
G21     146.4          42.4               10.8 +/-    0.73      15.1 +/-    0.73  0.100 / 0.120
G24     57.8           26.5                8.2 +/-    1.31      15.4 +/-    1.31  0.080 / 0.110
G27     256.1          32.6                9.8 +/-    2.86      16.3 +/-    2.86  0.130 / 0.240
G32     242.5          66.4                9.9 +/-    0.82      10.7 +/-    0.82  0.110 / 0.250