PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/19-23:43:00
G08     313.2          16.2                7.8 +/-    2.74      18.9 +/-    2.74  0.040 / 0.050
G10     335.1          60.6                8.0 +/-    0.30       9.1 +/-    0.30  0.030 / 0.050
G14     217.6          29.2               12.7 +/-    2.25      22.6 +/-    2.25  0.120 / 0.210
G15     47.0           10.7                7.9 +/-    3.43      21.7 +/-    3.43  0.210 / 0.220
G20     38.1           60.2                9.3 +/-    0.77      10.6 +/-    0.77  0.210 / 0.280
G21     134.3          58.1               11.9 +/-    0.56      13.8 +/-    0.56  0.180 / 0.300
G24     75.1           30.4                8.9 +/-    1.41      15.4 +/-    1.41  0.070 / 0.080
G27     275.6          37.7                9.9 +/-    2.36      14.9 +/-    2.36  0.090 / 0.080
G32     222.5          51.9               11.7 +/-    1.85      14.4 +/-    1.85  0.160 / 0.300