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                8.9 +/-    1.07      22.1 +/-    1.07  0.070 / 0.100
G10     323.5          58.9               10.1 +/-    0.72      11.6 +/-    0.72  0.070 / 0.080
G14     214.9          21.5               13.5 +/-    2.05      28.6 +/-    2.05  0.080 / 0.260
G15     46.0           14.5                8.1 +/-    2.22      20.3 +/-    2.22  0.090 / 0.250
G20     28.8           61.7               10.0 +/-    0.53      11.2 +/-    0.53  0.080 / 0.130
G21     126.7          63.5               11.9 +/-    0.60      13.2 +/-    0.60  0.070 / 0.120
G24     83.2           30.5               11.6 +/-    0.69      20.1 +/-    0.69  0.040 / 0.060
G27     283.5          38.1               10.2 +/-    1.04      15.3 +/-    1.04  0.040 / 0.050
G32     217.5          47.1               14.8 +/-    0.80      19.3 +/-    0.80  0.170 / 0.320