PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-20:27:50
G10     287.6          48.4               10.5 +/-    1.34      13.5 +/-    1.34  0.080 / 0.120
G15     49.0           38.6                8.7 +/-    0.42      12.9 +/-    0.42  0.060 / 0.120
G20     335.1          65.2                9.8 +/-    0.86      10.7 +/-    0.86  0.040 / 0.050
G21     69.7           76.7               10.9 +/-    0.48      11.2 +/-    0.48  0.040 / 0.050
G24     101.8          23.4               11.5 +/-    1.76      23.3 +/-    1.76  0.070 / 0.210
G27     308.5          29.7               11.4 +/-    2.32      20.2 +/-    2.32  0.070 / 0.210
G29     168.5          14.4               14.9 +/-    2.74      37.7 +/-    2.74  0.040 / 0.060
G32     207.7          25.8               12.6 +/-    0.82      24.3 +/-    0.82  0.040 / 0.070