PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-03:27:40
G10     283.2          47.3                8.4 +/-    0.78      10.9 +/-    0.78  0.040 / 0.040
G15     49.0           36.7                5.8 +/-    0.70       9.0 +/-    0.70  0.040 / 0.050
G20     326.1          64.4                7.3 +/-    0.67       8.0 +/-    0.67  0.080 / 0.120
G21     50.8           77.0               -4.1 +/-    0.47      -4.2 +/-    0.47  0.070 / 0.130
G24     108.8          21.6                9.6 +/-    0.52      20.2 +/-    0.52  0.050 / 0.060
G27     311.5          27.6                8.2 +/-    1.39      15.1 +/-    1.39  0.060 / 0.060
G29     167.1          16.1                9.8 +/-    1.06      23.8 +/-    1.06  0.050 / 0.080
G32     207.2          18.8               10.4 +/-    1.92      23.5 +/-    1.92  0.040 / 0.090