PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/26-20:27:30
G05     50.9           12.6                7.5 +/-    0.73      19.7 +/-    0.73  0.060 / 0.080
G10     240.3          18.9               12.2 +/-    2.15      27.7 +/-    2.15  0.060 / 0.070
G13     66.6           34.2                7.9 +/-    0.47      12.8 +/-    0.47  0.110 / 0.410
G15     114.3          56.0               10.1 +/-    0.49      11.9 +/-    0.49  0.150 / 0.470
G16     308.2          14.4                6.8 +/-    1.56      17.1 +/-    1.56  0.080 / 0.170
G20     255.0          42.3               11.4 +/-    1.11      16.0 +/-    1.11  0.080 / 0.150
G21     319.2          50.4               10.8 +/-    1.15      13.6 +/-    1.15  0.050 / 0.120
G26     280.9          19.3                8.3 +/-    1.67      18.5 +/-    1.67  0.040 / 0.140
G29     157.9          65.3                9.8 +/-    0.94      10.7 +/-    0.94  0.040 / 0.050