PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-00:57:40
G10     266.4          39.1               11.7 +/-    1.29      17.4 +/-    1.29  0.150 / 0.180
G13     41.9           17.9               10.8 +/-    3.92      24.9 +/-    3.92  0.230 / 0.120
G15     59.4           48.8               12.6 +/-    1.07      16.2 +/-    1.07  0.070 / 0.070
G16     280.9          12.6                8.8 +/-    1.09      23.0 +/-    1.09  0.080 / 0.060
G20     295.8          59.6               11.3 +/-    0.60      12.8 +/-    0.60  0.050 / 0.040
G21     0.1            70.9               12.3 +/-    0.66      13.0 +/-    0.66  0.050 / 0.040
G24     121.8          13.7               15.3 +/-    2.22      39.2 +/-    2.22  0.200 / 0.370
G27     319.5          17.4                8.7 +/-    4.05      20.4 +/-    4.05  0.240 / 0.520
G29     166.5          31.2               13.2 +/-    1.50      22.5 +/-    1.50  0.440 / 0.300