PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/06-20:13:10
G03     217.3          62.3               11.4 +/-    1.06      12.7 +/-    1.06  0.060 / 0.050
G07     252.5          11.3               -2.8 +/-   22.41      -7.6 +/-   22.41  0.060 / 0.060
G09     307.0          22.5               11.0 +/-    1.76      22.9 +/-    1.76  0.130 / 0.390
G14     105.1          10.7               11.5 +/-    2.55      31.5 +/-    2.55  0.140 / 0.350
G16     113.9          63.5               13.8 +/-    0.71      15.2 +/-    0.71  0.310 / 0.150
G22     190.0          47.4               11.4 +/-    0.82      14.9 +/-    0.82  0.170 / 0.260
G23     325.9          55.7               10.8 +/-    0.57      12.8 +/-    0.57  0.030 / 0.050
G26     59.4           47.5                9.2 +/-    0.53      11.9 +/-    0.53  0.040 / 0.040
G31     56.1           14.2                8.6 +/-    3.16      21.9 +/-    3.16  0.060 / 0.030