PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/23-01:42:20
G07     308.7          47.9                5.6 +/-    1.63       7.2 +/-    1.63  0.090 / 0.260
G08     125.3          41.7                8.1 +/-    0.96      11.5 +/-    0.96  0.150 / 0.270
G09     281.9          84.5                4.1 +/-    1.59       4.1 +/-    1.59  0.070 / 0.070
G16     42.6           20.9                1.5 +/-    1.14       3.3 +/-    1.14  0.060 / 0.070
G23     145.6          62.6                8.0 +/-    0.66       8.9 +/-    0.66  0.120 / 0.310
G27     77.5           36.9                4.7 +/-    0.68       7.3 +/-    0.68  0.120 / 0.250
G30     285.6          20.1                4.3 +/-    1.10       9.5 +/-    1.10  0.030 / 0.050