PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-01:42:50
G05     51.2           10.9                7.8 +/-    2.68      21.3 +/-    2.68  0.050 / 0.070
G10     240.2          18.5               12.4 +/-    1.47      28.4 +/-    1.47  0.060 / 0.070
G13     66.9           34.4                8.9 +/-    0.54      14.4 +/-    0.54  0.170 / 0.360
G15     111.2          55.8               12.5 +/-    0.32      14.8 +/-    0.32  0.190 / 0.310
G16     310.1          13.4                6.8 +/-    1.61      17.7 +/-    1.61  0.090 / 0.230
G20     254.5          41.7               12.6 +/-    1.10      17.8 +/-    1.10  0.130 / 0.360
G21     319.9          51.2               11.1 +/-    1.06      13.9 +/-    1.06  0.070 / 0.120
G26     282.3          19.1                7.9 +/-    1.50      17.9 +/-    1.50  0.060 / 0.120
G29     156.6          63.0               12.1 +/-    0.84      13.4 +/-    0.84  0.030 / 0.040