PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-16:12:30
G02     58.3           33.7                9.5 +/-    0.95      15.5 +/-    0.95  0.030 / 0.030
G05     61.1           64.1               10.2 +/-    0.88      11.2 +/-    0.88  0.020 / 0.030
G12     183.3          32.7               13.2 +/-    1.11      22.0 +/-    1.11  0.150 / 0.450
G13     127.1          14.5               15.8 +/-    4.12      39.9 +/-    4.12  0.140 / 0.470
G15     163.9          12.2               17.5 +/-    2.39      46.4 +/-    2.39  0.070 / 0.100
G21     271.0          16.2               12.4 +/-    1.92      29.9 +/-    1.92  0.100 / 0.100
G25     238.9          52.6               11.4 +/-    1.32      14.0 +/-    1.32  0.150 / 0.440
G29     327.8          53.2                8.0 +/-    1.54       9.8 +/-    1.54  0.160 / 0.410