PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/13-19:43:10
G08     315.8          15.1                8.6 +/-    1.95      21.3 +/-    1.95  0.070 / 0.080
G10     323.5          58.9                9.9 +/-    0.66      11.4 +/-    0.66  0.070 / 0.090
G14     214.9          21.5               11.5 +/-    1.17      24.5 +/-    1.17  0.040 / 0.040
G15     46.0           14.5                8.5 +/-    2.60      21.3 +/-    2.60  0.040 / 0.050
G20     28.8           61.7                8.9 +/-    0.93      10.0 +/-    0.93  0.130 / 0.230
G21     126.7          63.5               12.3 +/-    0.94      13.5 +/-    0.94  0.110 / 0.190
G24     83.2           30.5               10.7 +/-    1.45      18.5 +/-    1.45  0.080 / 0.120
G27     283.5          38.1                8.9 +/-    3.16      13.3 +/-    3.16  0.070 / 0.110
G32     217.5          47.1               11.7 +/-    1.42      15.3 +/-    1.42  0.140 / 0.330