PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-21:42:40
G08     313.9          16.1               11.6 +/-    2.43      28.1 +/-    2.43  0.070 / 0.100
G10     330.6          60.0               11.0 +/-    0.64      12.5 +/-    0.64  0.060 / 0.090
G14     216.5          26.0               15.6 +/-    1.73      29.8 +/-    1.73  0.030 / 0.060
G15     46.5           12.6                6.8 +/-    1.18      17.9 +/-    1.18  0.030 / 0.070
G20     34.9           60.7               11.1 +/-    0.63      12.6 +/-    0.63  0.080 / 0.250
G21     131.6          60.3               11.8 +/-    1.08      13.3 +/-    1.08  0.070 / 0.220
G24     78.4           30.6               11.3 +/-    0.87      19.5 +/-    0.87  0.190 / 0.390
G27     278.6          38.0               11.7 +/-    1.82      17.5 +/-    1.82  0.150 / 0.340
G32     220.4          50.3               14.7 +/-    1.53      18.5 +/-    1.53  0.140 / 0.160