PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/21-19:43:10
G10     265.2          38.5               11.5 +/-    1.09      17.2 +/-    1.09  0.150 / 0.270
G13     42.5           18.7                9.1 +/-    0.76      20.7 +/-    0.76  0.110 / 0.150
G15     61.5           50.4               11.7 +/-    0.93      14.7 +/-    0.93  0.060 / 0.050
G16     280.5          13.3                9.9 +/-    1.26      25.7 +/-    1.26  0.070 / 0.060
G20     295.8          60.1               10.4 +/-    0.99      11.8 +/-    0.99  0.070 / 0.250
G21     356.6          69.8               11.4 +/-    0.61      12.1 +/-    0.61  0.080 / 0.260
G24     123.8          12.8               15.1 +/-    2.47      39.5 +/-    2.47  0.160 / 0.420
G27     319.8          16.9                7.9 +/-    1.82      18.8 +/-    1.82  0.140 / 0.350
G29     167.0          34.2               12.7 +/-    1.07      20.4 +/-    1.07  0.030 / 0.070