PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-23:28:00
G01     222.2          13.2                9.2 +/-    1.90      23.8 +/-    1.90  0.130 / 0.210
G03     272.8          69.6                5.8 +/-    0.55       6.1 +/-    0.55  0.110 / 0.250
G09     298.3          13.8                7.7 +/-    3.81      19.8 +/-    3.81  0.030 / 0.030
G14     91.5           20.3                6.8 +/-    1.82      14.8 +/-    1.82  0.040 / 0.050
G16     141.4          50.1                8.1 +/-    0.99      10.3 +/-    0.99  0.140 / 0.310
G22     207.9          66.0                6.0 +/-    0.48       6.5 +/-    0.48  0.150 / 0.390
G23     310.2          39.5                5.9 +/-    0.73       8.6 +/-    0.73  0.050 / 0.070
G26     89.4           55.2                5.4 +/-    0.95       6.5 +/-    0.95  0.040 / 0.060
G31     46.8           30.0                4.1 +/-    0.29       7.2 +/-    0.29  0.040 / 0.040