PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-16:42:30
G03     201.5          49.8                8.8 +/-    1.20      11.1 +/-    1.20  0.260 / 0.150
G07     263.9          23.8                8.1 +/-    2.14      16.2 +/-    2.14  0.270 / 0.210
G09     313.0          32.7                7.2 +/-    1.81      12.0 +/-    1.81  0.040 / 0.060
G16     90.4           66.3                8.2 +/-    0.66       8.9 +/-    0.66  0.050 / 0.070
G22     183.8          32.3                7.9 +/-    1.28      13.2 +/-    1.28  0.060 / 0.090
G23     335.3          64.8                7.9 +/-    0.71       8.7 +/-    0.71  0.060 / 0.080
G26     51.0           41.7                7.1 +/-    0.54      10.0 +/-    0.54  0.130 / 0.210
G27     131.3          14.2               10.2 +/-    1.49      26.0 +/-    1.49  0.220 / 0.210