PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-15:27:50
G01     92.1           30.7                8.9 +/-    1.19      15.5 +/-    1.19  0.040 / 0.050
G07     123.9          42.9                8.5 +/-    0.74      11.8 +/-    0.74  0.050 / 0.050
G08     42.1           11.0                7.7 +/-    2.57      21.0 +/-    2.57  0.080 / 0.070
G11     70.7           41.1                7.3 +/-    0.87      10.4 +/-    0.87  0.050 / 0.080
G13     296.6          36.2               10.0 +/-    3.76      15.4 +/-    3.76  0.040 / 0.060
G17     212.1          49.1                9.7 +/-    0.71      12.3 +/-    0.71  0.040 / 0.060
G18     65.0           23.8                7.7 +/-    0.83      15.5 +/-    0.83  0.070 / 0.080
G19     212.6          25.9                8.8 +/-    2.08      16.9 +/-    2.08  0.090 / 0.110
G28     331.9          61.2                7.5 +/-    0.42       8.5 +/-    0.42  0.060 / 0.060
G30     101.4          75.4                9.3 +/-    0.21       9.6 +/-    0.21  0.040 / 0.060