PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-15:12:50
G01     95.7           29.6                9.7 +/-    0.82      17.2 +/-    0.82  0.030 / 0.050
G07     120.9          45.7                9.4 +/-    0.36      12.6 +/-    0.36  0.040 / 0.050
G08     41.8           13.7                6.6 +/-    2.35      16.8 +/-    2.35  0.040 / 0.070
G11     74.7           42.2                8.5 +/-    0.98      11.9 +/-    0.98  0.040 / 0.070
G13     300.0          35.0                7.7 +/-    0.78      12.2 +/-    0.78  0.030 / 0.060
G17     210.2          45.8               10.2 +/-    0.77      13.6 +/-    0.77  0.040 / 0.050
G18     68.4           24.2                8.3 +/-    1.32      16.5 +/-    1.32  0.070 / 0.120
G19     211.4          23.0                9.0 +/-    1.65      18.3 +/-    1.65  0.060 / 0.100
G28     325.6          60.8                8.1 +/-    0.27       9.1 +/-    0.27  0.060 / 0.060
G30     88.8           77.4                9.4 +/-    0.35       9.6 +/-    0.35  0.060 / 0.060