PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-15:28:00
G05     51.1           13.3                4.2 +/-    3.28      11.0 +/-    3.28  0.130 / 0.320
G10     240.9          18.3                7.6 +/-    2.85      17.5 +/-    2.85  0.080 / 0.350
G13     66.4           34.8                1.5 +/-    0.88       2.4 +/-    0.88  0.060 / 0.060
G15     115.7          56.3                8.7 +/-    0.57      10.3 +/-    0.57  0.040 / 0.040
G16     308.5          14.0                5.5 +/-    2.49      14.0 +/-    2.49  0.030 / 0.030
G20     255.2          42.4                8.6 +/-    2.29      12.1 +/-    2.29  0.030 / 0.020
G21     322.7          53.4                7.7 +/-    0.58       9.4 +/-    0.58  0.170 / 0.180
G26     281.9          18.9                4.5 +/-    1.21      10.3 +/-    1.21  0.130 / 0.150
G29     158.7          63.2                9.4 +/-    0.32      10.4 +/-    0.32  0.080 / 0.090