PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/24-04:42:50
G10     257.9          32.2               11.0 +/-    0.95      18.4 +/-    0.95  0.110 / 0.310
G13     47.2           25.0                6.7 +/-    0.91      13.0 +/-    0.91  0.130 / 0.320
G15     71.5           54.7                6.9 +/-    0.37       8.2 +/-    0.37  0.110 / 0.250
G16     286.8          14.6                7.1 +/-    1.71      17.9 +/-    1.71  0.130 / 0.280
G20     310.4          67.7                8.6 +/-    0.43       9.2 +/-    0.43  0.040 / 0.050
G21     344.1          65.6                6.2 +/-    0.91       6.7 +/-    0.91  0.040 / 0.050
G26     259.0          12.1                9.3 +/-    3.27      24.9 +/-    3.27  0.060 / 0.090
G27     321.7          11.9                3.4 +/-   19.02       9.1 +/-   19.02  0.090 / 0.090
G29     167.0          41.5                9.7 +/-    1.17      13.8 +/-    1.17  0.060 / 0.180