PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-22:12:50
G10     272.7          41.6               10.5 +/-    1.69      14.9 +/-    1.69  0.130 / 0.130
G13     39.7           14.1                7.5 +/-    3.12      19.0 +/-    3.12  0.120 / 0.150
G15     56.8           48.7                8.6 +/-    0.66      11.0 +/-    0.66  0.110 / 0.180
G20     269.2          26.2               16.1 +/-    0.86      30.7 +/-    0.86  0.110 / 0.190
G21     12.8           74.4                9.9 +/-    0.77      10.3 +/-    0.77  0.050 / 0.040
G24     114.1          17.3                9.8 +/-    1.54      23.1 +/-    1.54  0.070 / 0.040
G27     316.3          22.4                8.5 +/-    1.91      17.6 +/-    1.91  0.330 / 0.350
G29     168.8          27.1                9.7 +/-    1.33      18.1 +/-    1.33  0.330 / 0.340
G32     204.6          15.4               14.0 +/-    2.57      34.5 +/-    2.57  0.030 / 0.050