PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-14:28:00
G05     52.2           10.8                5.7 +/-    2.35      15.8 +/-    2.35  0.040 / 0.050
G10     242.7          20.2                5.7 +/-    3.56      12.5 +/-    3.56  0.040 / 0.040
G13     63.5           34.0                8.9 +/-    0.88      14.5 +/-    0.88  0.080 / 0.080
G15     109.7          57.2                8.9 +/-    0.69      10.3 +/-    0.69  0.090 / 0.080
G16     306.6          14.3                0.3 +/-    4.45       0.8 +/-    4.45  0.080 / 0.420
G20     257.9          44.2                8.8 +/-    3.46      12.0 +/-    3.46  0.100 / 0.440
G21     326.3          55.6                7.7 +/-    0.70       9.1 +/-    0.70  0.040 / 0.020
G26     280.0          18.2                4.2 +/-    1.86       9.6 +/-    1.86  0.040 / 0.030
G29     159.6          59.8               11.2 +/-    0.83      12.7 +/-    0.83  0.170 / 0.250