PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/02-20:42:50
G05     48.6           18.0                7.1 +/-    0.75      16.3 +/-    0.75  0.070 / 0.150
G10     235.9          12.2               13.1 +/-    4.21      34.8 +/-    4.21  0.090 / 0.150
G13     76.0           36.2                9.2 +/-    0.48      14.3 +/-    0.48  0.050 / 0.090
G15     131.7          51.4               12.1 +/-    0.80      15.0 +/-    0.80  0.040 / 0.090
G16     312.9          13.4                8.1 +/-    2.10      21.0 +/-    2.10  0.100 / 0.320
G20     239.4          -1.4                6.2 +/-    1.29      19.3 +/-    1.29  0.110 / 0.320
G21     311.8          45.8                9.6 +/-    0.78      12.8 +/-    0.78  0.060 / 0.110
G25     198.6          10.7               13.0 +/-   19.06      35.7 +/-   19.06  0.060 / 0.140
G26     286.2          21.0                9.6 +/-    1.57      20.7 +/-    1.57  0.310 / 0.460
G29     155.9          74.4               14.2 +/-    0.83      14.7 +/-    0.83  0.250 / 0.490