PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-02:43:00
G08     310.3          18.1                7.2 +/-    2.49      16.7 +/-    2.49  0.050 / 0.080
G10     338.3          61.0                9.8 +/-    0.92      11.0 +/-    0.92  0.070 / 0.090
G14     218.5          32.0               13.7 +/-    1.97      23.0 +/-    1.97  0.030 / 0.030
G20     40.3           59.8               11.4 +/-    0.77      13.0 +/-    0.77  0.030 / 0.030
G21     136.1          56.0               14.2 +/-    0.40      16.8 +/-    0.40  0.030 / 0.050
G24     72.4           30.0               11.4 +/-    1.86      20.0 +/-    1.86  0.040 / 0.040
G27     273.6          37.3               10.6 +/-    2.90      16.1 +/-    2.90  0.100 / 0.140
G32     224.2          52.3               12.9 +/-    2.16      15.9 +/-    2.16  0.080 / 0.230