PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-13:42:30
G08     290.7          21.9                6.1 +/-    1.11      12.9 +/-    1.11  0.080 / 0.110
G10     17.8           63.1                3.7 +/-    0.93       4.1 +/-    0.93  0.090 / 0.080
G14     234.7          49.2                6.1 +/-    1.75       7.8 +/-    1.75  0.070 / 0.080
G21     148.3          33.2                6.3 +/-    1.39      10.3 +/-    1.39  0.060 / 0.080
G24     52.1           23.6                4.4 +/-    2.59       8.9 +/-    2.59  0.110 / 0.220
G27     248.0          28.6                5.8 +/-    2.13      10.4 +/-    2.13  0.120 / 0.240
G31     182.3          11.4               -3.1 +/-    7.72      -8.4 +/-    7.72  0.050 / 0.090
G32     260.0          72.3                4.2 +/-    0.46       4.4 +/-    0.46  0.070 / 0.100