PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/14-15:43:00
G01     315.5          24.6                7.8 +/-    0.88      15.3 +/-    0.88  0.090 / 0.140
G10     91.6           48.6                7.8 +/-    0.63      10.0 +/-    0.63  0.080 / 0.160
G11     297.5          24.7                8.2 +/-    1.86      16.2 +/-    1.86  0.030 / 0.050
G14     319.6          70.5                7.2 +/-    0.79       7.6 +/-    0.79  0.040 / 0.050
G22     305.0          17.8                6.1 +/-    1.55      14.1 +/-    1.55  0.150 / 0.390
G25     94.4           12.2                9.6 +/-    0.99      25.4 +/-    0.99  0.160 / 0.340
G31     173.1          52.0                9.9 +/-    1.15      12.2 +/-    1.15  0.050 / 0.050
G32     22.4           60.8                6.9 +/-    0.48       7.8 +/-    0.48  0.050 / 0.050