PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-00:58:10
G03     206.1          50.3                4.8 +/-    0.99       6.1 +/-    0.99  0.240 / 0.280
G07     264.5          22.2                4.2 +/-    2.60       8.8 +/-    2.60  0.270 / 0.420
G09     315.6          38.7                3.3 +/-    0.99       4.9 +/-    0.99  0.070 / 0.110
G16     74.2           62.5                3.0 +/-    0.75       3.4 +/-    0.75  0.080 / 0.100
G22     186.9          33.7                5.0 +/-    1.14       8.1 +/-    1.14  0.130 / 0.280
G23     335.6          65.6                3.5 +/-    0.82       3.8 +/-    0.82  0.090 / 0.130
G26     48.5           37.6                2.7 +/-    1.26       4.1 +/-    1.26  0.040 / 0.030
G27     129.8          15.7                5.5 +/-    2.43      13.3 +/-    2.43  0.040 / 0.040