PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/09-10:43:00
G05     48.5           17.3                2.6 +/-    0.92       6.0 +/-    0.92  0.130 / 0.420
G10     235.1          10.5              -11.2 +/-   29.22     -30.8 +/-   29.22  0.110 / 0.400
G13     79.0           37.0                5.5 +/-    0.63       8.5 +/-    0.63  0.070 / 0.130
G15     124.1          51.3                8.3 +/-    0.99      10.3 +/-    0.99  0.070 / 0.170
G16     317.1          10.7               -2.4 +/-   11.07      -6.5 +/-   11.07  0.040 / 0.040
G20     14.8           73.0                4.9 +/-    0.82       5.1 +/-    0.82  0.040 / 0.040
G21     313.4          47.9                3.0 +/-    1.53       3.8 +/-    1.53  0.090 / 0.350
G25     200.9          12.5                4.8 +/-    1.66      12.6 +/-    1.66  0.100 / 0.400
G26     289.6          20.4                5.0 +/-    2.57      10.9 +/-    2.57  0.030 / 0.040
G29     152.8          72.4                5.8 +/-    0.36       6.0 +/-    0.36  0.030 / 0.030