PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-02:27:30
G10     289.1          49.6                8.8 +/-    3.19      11.2 +/-    3.19  0.100 / 0.110
G15     47.4           33.1                7.0 +/-    1.78      11.5 +/-    1.78  0.110 / 0.120
G20     336.0          65.0                9.4 +/-    0.77      10.3 +/-    0.77  0.130 / 0.130
G21     69.0           76.9                9.7 +/-    0.50      10.0 +/-    0.50  0.120 / 0.120
G24     104.9          23.7                9.1 +/-    0.97      18.3 +/-    0.97  0.040 / 0.030
G27     307.9          30.4                7.8 +/-    0.81      13.6 +/-    0.81  0.040 / 0.040
G29     167.3          12.5               10.0 +/-    3.00      26.5 +/-    3.00  0.100 / 0.080
G32     208.3          23.5               14.0 +/-    2.27      28.2 +/-    2.27  0.080 / 0.060