PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-21:57:40
G08     316.0          14.7                7.6 +/-    4.25      19.0 +/-    4.25  0.040 / 0.050
G10     325.8          59.2                8.6 +/-    1.09       9.8 +/-    1.09  0.050 / 0.050
G14     215.4          23.9               15.8 +/-    2.94      31.7 +/-    2.94  0.120 / 0.430
G15     46.2           15.0                7.2 +/-    2.61      17.8 +/-    2.61  0.330 / 0.380
G20     29.8           61.7                8.4 +/-    0.81       9.4 +/-    0.81  0.170 / 0.200
G21     128.5          62.7               11.7 +/-    0.66      13.0 +/-    0.66  0.180 / 0.190
G24     81.2           30.5                9.8 +/-    1.15      17.0 +/-    1.15  0.070 / 0.070
G27     281.9          38.0               11.9 +/-    0.92      17.9 +/-    0.92  0.070 / 0.060
G32     218.6          47.7               11.5 +/-    0.88      14.9 +/-    0.88  0.060 / 0.070