PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/05-09:43:10
G07     330.7          57.7                1.8 +/-    0.89       2.1 +/-    0.89  0.140 / 0.350
G08     113.5          50.2                6.6 +/-    0.52       8.4 +/-    0.52  0.120 / 0.300
G09     203.8          79.0                3.3 +/-    0.83       3.3 +/-    0.83  0.040 / 0.080
G11     149.0          10.9               -1.7 +/-   17.54      -4.6 +/-   17.54  0.040 / 0.070
G16     45.5           10.3                1.7 +/-    1.89       4.7 +/-    1.89  0.030 / 0.050
G23     152.4          43.4                4.8 +/-    1.09       6.7 +/-    1.09  0.040 / 0.060
G27     60.8           34.3                3.3 +/-    0.72       5.3 +/-    0.72  0.050 / 0.080
G28     232.1          19.6                6.4 +/-    2.58      14.3 +/-    2.58  0.060 / 0.090
G30     298.2          32.4                1.4 +/-    1.14       2.3 +/-    1.14  0.190 / 0.480