PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-00:42:30
G08     310.4          17.7                9.0 +/-    1.64      21.0 +/-    1.64  0.060 / 0.070
G10     341.2          61.3               13.9 +/-    0.95      15.6 +/-    0.95  0.060 / 0.080
G14     219.3          32.4               11.0 +/-    1.91      18.4 +/-    1.91  0.040 / 0.060
G20     43.1           59.1                9.8 +/-    1.13      11.2 +/-    1.13  0.060 / 0.050
G21     137.3          55.1                9.8 +/-    0.98      11.7 +/-    0.98  0.070 / 0.190
G24     71.4           30.1                9.9 +/-    1.06      17.3 +/-    1.06  0.110 / 0.140
G27     271.7          37.2                9.8 +/-    2.60      15.0 +/-    2.60  0.120 / 0.180
G32     225.3          54.5               11.3 +/-    2.73      13.5 +/-    2.73  0.110 / 0.200