PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/18-16:57:40
G10     271.1          40.9                8.7 +/-    0.89      12.5 +/-    0.89  0.060 / 0.110
G13     40.3           15.2                7.0 +/-    3.01      17.3 +/-    3.01  0.090 / 0.110
G15     57.1           48.1                7.4 +/-    0.76       9.5 +/-    0.76  0.160 / 0.290
G16     276.5          10.9                6.3 +/-    1.72      17.4 +/-    1.72  0.120 / 0.270
G20     304.9          61.8                7.8 +/-    0.93       8.8 +/-    0.93  0.100 / 0.200
G21     20.3           74.3                8.2 +/-    0.93       8.5 +/-    0.93  0.150 / 0.210
G24     113.4          16.6               10.6 +/-    1.15      25.4 +/-    1.15  0.040 / 0.040
G27     317.9          19.9                5.8 +/-    2.21      12.8 +/-    2.21  0.040 / 0.030
G29     167.6          26.8                9.1 +/-    1.43      17.0 +/-    1.43  0.080 / 0.070
G32     204.8          12.2                4.5 +/-   26.81      12.0 +/-   26.81  0.080 / 0.070