PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/30-18:12:50
G10     306.7          55.3               13.5 +/-    0.63      16.0 +/-    0.63  0.070 / 0.090
G14     211.7          12.0               11.1 +/-   35.22      29.7 +/-   35.22  0.060 / 0.070
G15     45.5           22.1               11.0 +/-    0.61      23.0 +/-    0.61  0.040 / 0.050
G20     9.1            64.3               13.4 +/-    0.65      14.7 +/-    0.65  0.040 / 0.040
G21     108.7          71.2               16.1 +/-    0.93      16.9 +/-    0.93  0.120 / 0.400
G24     94.5           28.4               15.0 +/-    0.98      27.3 +/-    0.98  0.110 / 0.400
G27     295.6          36.3               15.1 +/-    1.23      23.5 +/-    1.23  0.060 / 0.110
G32     211.8          37.7               17.2 +/-    0.89      26.0 +/-    0.89  0.070 / 0.110