PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-20:57:50
G05     48.4           18.4                8.0 +/-    0.62      18.3 +/-    0.62  0.060 / 0.140
G10     235.5          11.8               17.6 +/-    2.26      47.1 +/-    2.26  0.060 / 0.150
G13     76.8           36.3               11.5 +/-    0.74      17.9 +/-    0.74  0.040 / 0.100
G15     132.3          50.9               13.5 +/-    0.56      16.9 +/-    0.56  0.040 / 0.070
G16     313.5          13.2                9.7 +/-    1.98      25.3 +/-    1.98  0.100 / 0.340
G20     239.4          0.1                 8.3 +/-    0.99      25.9 +/-    0.99  0.110 / 0.330
G21     311.2          45.4               11.8 +/-    0.97      15.8 +/-    0.97  0.070 / 0.130
G25     199.0          11.2               18.4 +/-    4.48      49.9 +/-    4.48  0.060 / 0.150
G26     286.8          21.0               12.2 +/-    1.20      26.1 +/-    1.20  0.250 / 0.490
G29     155.3          75.1               14.7 +/-    0.81      15.1 +/-    0.81  0.300 / 0.520