PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/17-23:42:50
G08     316.2          14.3                6.2 +/-    2.46      15.7 +/-    2.46  0.080 / 0.270
G10     327.9          59.6                9.0 +/-    1.16      10.3 +/-    1.16  0.080 / 0.260
G14     215.8          25.8               12.2 +/-    2.60      23.4 +/-    2.60  0.080 / 0.100
G15     46.3           13.7                5.2 +/-    0.99      13.4 +/-    0.99  0.070 / 0.100
G20     30.8           61.6                8.7 +/-    0.55       9.8 +/-    0.55  0.030 / 0.040
G21     130.0          61.6                9.5 +/-    0.95      10.6 +/-    0.95  0.030 / 0.050
G24     79.5           30.4                9.7 +/-    0.44      16.9 +/-    0.44  0.040 / 0.060
G27     280.5          37.9                8.6 +/-    1.30      12.9 +/-    1.30  0.040 / 0.050
G32     219.5          48.2               12.3 +/-    0.92      15.8 +/-    0.92  0.130 / 0.390