PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-22:43:10
G02     12.4           69.9               11.7 +/-    0.48      12.3 +/-    0.48  0.040 / 0.060
G05     157.1          45.8               15.8 +/-    0.71      21.0 +/-    0.71  0.030 / 0.060
G06     45.8           28.8                9.1 +/-    1.31      16.4 +/-    1.31  0.210 / 0.350
G12     259.4          80.5               12.6 +/-    0.78      12.7 +/-    0.78  0.150 / 0.400
G19     84.5           22.1               11.2 +/-    0.88      23.4 +/-    0.88  0.050 / 0.050
G24     219.4          14.4               17.9 +/-    3.08      45.1 +/-    3.08  0.040 / 0.060
G25     313.7          39.1               10.7 +/-    2.93      15.8 +/-    2.93  0.040 / 0.030
G29     294.3          14.9               12.6 +/-    2.55      31.3 +/-    2.55  0.020 / 0.030