PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/27-14:28:10
G10     247.8          26.4                7.4 +/-    1.13      14.0 +/-    1.13  0.200 / 0.430
G13     55.9           30.2                6.1 +/-    1.47      10.7 +/-    1.47  0.170 / 0.430
G15     87.6           56.4                6.9 +/-    0.89       8.1 +/-    0.89  0.030 / 0.030
G16     298.2          16.0                3.1 +/-    4.65       7.4 +/-    4.65  0.030 / 0.030
G20     268.3          51.4                7.7 +/-    3.41       9.5 +/-    3.41  0.040 / 0.050
G21     331.4          58.1                3.5 +/-    3.10       4.1 +/-    3.10  0.040 / 0.040
G26     271.7          16.6                7.8 +/-    1.61      18.7 +/-    1.61  0.140 / 0.150
G29     162.7          55.1                7.9 +/-    0.56       9.4 +/-    0.56  0.120 / 0.160