PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-02:42:40
G10     254.7          31.2               12.5 +/-    1.40      21.3 +/-    1.40  0.130 / 0.110
G13     49.2           26.2                8.8 +/-    2.64      16.7 +/-    2.64  0.130 / 0.130
G15     75.7           55.4               10.3 +/-    1.37      12.3 +/-    1.37  0.040 / 0.050
G16     293.2          14.7                6.1 +/-    3.30      15.4 +/-    3.30  0.040 / 0.040
G20     276.6          53.6               11.3 +/-    3.09      13.7 +/-    3.09  0.090 / 0.270
G21     340.8          63.4               11.0 +/-    0.64      12.2 +/-    0.64  0.100 / 0.300
G26     265.2          13.6               10.0 +/-    1.90      25.8 +/-    1.90  0.090 / 0.160
G29     163.7          42.7               12.4 +/-    0.95      17.2 +/-    0.95  0.210 / 0.160