PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-00:12:50
G05     47.9           18.5                7.1 +/-    2.60      16.2 +/-    2.60  0.170 / 0.370
G10     234.2          11.7               -2.2 +/-   44.33      -5.9 +/-   44.33  0.140 / 0.340
G13     78.3           35.5               11.5 +/-    1.26      18.1 +/-    1.26  0.500 / 0.410
G15     126.9          50.8               12.9 +/-    1.00      16.1 +/-    1.00  0.260 / 0.270
G16     317.4          10.6               -3.9 +/-   14.83     -10.8 +/-   14.83  0.070 / 0.070
G20     245.8          34.7               12.7 +/-    2.78      20.2 +/-    2.78  0.050 / 0.080
G21     310.8          44.9               10.5 +/-    0.99      14.1 +/-    0.99  0.080 / 0.100
G25     201.1          13.8               14.6 +/-    2.08      37.5 +/-    2.08  0.080 / 0.110
G26     291.2          20.0                8.8 +/-    1.85      19.4 +/-    1.85  0.040 / 0.050
G29     148.8          74.1               11.2 +/-    0.93      11.6 +/-    0.93  0.030 / 0.050