PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/29-15:28:00
G10     251.0          27.6                8.2 +/-    0.78      15.2 +/-    0.78  0.150 / 0.530
G13     52.9           29.2                5.4 +/-    0.57       9.6 +/-    0.57  0.140 / 0.540
G15     88.3           58.4                7.6 +/-    0.73       8.8 +/-    0.73  0.030 / 0.050
G16     296.3          15.1                6.5 +/-    3.13      16.1 +/-    3.13  0.030 / 0.050
G20     270.7          51.2                8.4 +/-    0.96      10.5 +/-    0.96  0.050 / 0.070
G21     338.6          62.2                5.5 +/-    0.81       6.1 +/-    0.81  0.040 / 0.040
G26     269.5          15.1                7.7 +/-    2.12      19.1 +/-    2.12  0.070 / 0.150
G29     163.7          48.3                8.1 +/-    0.76      10.4 +/-    0.76  0.070 / 0.190