PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-01:43:10
G10     263.0          36.9               11.7 +/-    0.62      17.9 +/-    0.62  0.130 / 0.250
G13     43.6           20.4                7.4 +/-    0.98      16.2 +/-    0.98  0.170 / 0.280
G15     63.1           50.9                9.8 +/-    0.37      12.3 +/-    0.37  0.070 / 0.080
G16     284.4          13.4                9.9 +/-    1.86      25.6 +/-    1.86  0.080 / 0.090
G20     290.1          58.2               12.8 +/-    1.16      14.8 +/-    1.16  0.160 / 0.330
G24     124.2          11.8               10.5 +/-    1.50      28.1 +/-    1.50  0.110 / 0.340
G27     320.7          14.7                6.8 +/-    3.73      17.1 +/-    3.73  0.080 / 0.290
G29     165.8          34.3               10.9 +/-    1.51      17.5 +/-    1.51  0.070 / 0.280