PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-12:27:50
G07     333.1          58.6                4.1 +/-    0.91       4.7 +/-    0.91  0.350 / 0.390
G08     109.9          50.2                6.8 +/-    0.71       8.6 +/-    0.71  0.330 / 0.360
G09     207.4          79.3                4.0 +/-    0.38       4.1 +/-    0.38  0.240 / 0.560
G11     148.4          11.1                4.6 +/-   13.12      12.4 +/-   13.12  0.270 / 0.480
G16     45.4           11.3                4.6 +/-    2.65      12.4 +/-    2.65  0.040 / 0.040
G23     152.6          43.7                6.0 +/-    0.93       8.2 +/-    0.93  0.040 / 0.040
G27     61.0           34.5                5.2 +/-    1.23       8.3 +/-    1.23  0.050 / 0.090
G28     232.3          20.4                5.1 +/-    3.31      11.1 +/-    3.31  0.060 / 0.060
G30     299.5          34.2                4.3 +/-    1.79       6.9 +/-    1.79  0.040 / 0.060