PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/27-04:43:00
G01     313.8          27.1                2.3 +/-    0.86       4.4 +/-    0.86  0.140 / 0.200
G10     95.9           46.0                4.5 +/-    0.71       6.0 +/-    0.71  0.130 / 0.250
G11     291.2          27.2                3.0 +/-    2.17       5.6 +/-    2.17  0.040 / 0.050
G14     327.3          70.1                3.3 +/-    0.71       3.5 +/-    0.71  0.040 / 0.040
G18     291.2          47.2                3.4 +/-    1.33       4.5 +/-    1.33  0.090 / 0.160
G20     108.6          40.2                6.8 +/-    1.74       9.8 +/-    1.74  0.090 / 0.210
G22     306.3          19.2                4.9 +/-    1.81      11.0 +/-    1.81  0.030 / 0.050
G25     90.4           13.4                4.3 +/-    1.95      11.1 +/-    1.95  0.030 / 0.050
G31     169.2          56.9                5.3 +/-    1.43       6.1 +/-    1.43  0.070 / 0.150
G32     28.3           57.5                2.8 +/-    0.95       3.2 +/-    0.95  0.070 / 0.110