PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/22-08:13:10
G07     317.1          52.3                4.5 +/-    0.76       5.6 +/-    0.76  0.040 / 0.050
G08     126.4          44.2                6.5 +/-    0.82       8.8 +/-    0.82  0.040 / 0.060
G09     267.3          83.1                6.1 +/-    0.98       6.1 +/-    0.98  0.050 / 0.060
G16     43.2           17.7                1.6 +/-    4.04       3.8 +/-    4.04  0.050 / 0.070
G23     147.9          54.2                6.6 +/-    0.47       8.0 +/-    0.47  0.030 / 0.030
G27     71.9           36.8                5.3 +/-    1.23       8.2 +/-    1.23  0.040 / 0.020
G28     226.6          11.6               -4.2 +/-   14.87     -11.3 +/-   14.87  0.050 / 0.060
G30     290.5          25.7                5.5 +/-    0.91      10.6 +/-    0.91  0.040 / 0.050