PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-19:12:50
G01     319.7          16.7                9.6 +/-    1.82      23.0 +/-    1.82  0.070 / 0.040
G08     256.8          14.1                9.4 +/-    1.85      24.0 +/-    1.85  0.070 / 0.040
G10     77.6           53.5                9.5 +/-    0.73      11.6 +/-    0.73  0.150 / 0.270
G11     303.5          23.2                8.5 +/-    1.04      17.4 +/-    1.04  0.140 / 0.240
G14     292.9          70.7                9.2 +/-    0.77       9.7 +/-    0.77  0.140 / 0.310
G20     104.0          30.1                8.9 +/-    0.53      15.6 +/-    0.53  0.130 / 0.400
G31     178.9          37.5               10.0 +/-    1.35      15.2 +/-    1.35  0.090 / 0.060
G32     2.5            69.0                9.2 +/-    0.39       9.8 +/-    0.39  0.070 / 0.060