PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-02:28:10
G10     289.8          49.9               10.9 +/-    1.31      13.7 +/-    1.31  0.040 / 0.040
G15     47.3           32.7                7.1 +/-    0.83      11.7 +/-    0.83  0.040 / 0.040
G20     337.1          65.1                8.9 +/-    0.42       9.7 +/-    0.42  0.070 / 0.100
G21     71.0           76.8               -2.7 +/-    0.47      -2.7 +/-    0.47  0.070 / 0.110
G24     104.4          23.9                8.3 +/-    2.03      16.6 +/-    2.03  0.060 / 0.060
G27     307.5          30.6                8.3 +/-    3.27      14.3 +/-    3.27  0.050 / 0.050
G29     167.3          12.1               10.2 +/-    1.80      27.2 +/-    1.80  0.040 / 0.080
G32     208.4          24.0               13.0 +/-    1.58      26.0 +/-    1.58  0.050 / 0.070