PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/21-16:57:40
G08     316.8          14.7                6.9 +/-    2.56      17.2 +/-    2.56  0.070 / 0.080
G10     318.5          58.0                8.7 +/-    1.25      10.1 +/-    1.25  0.060 / 0.070
G14     214.0          17.4               12.8 +/-    1.33      30.0 +/-    1.33  0.110 / 0.210
G15     45.7           15.4                7.3 +/-    1.73      18.0 +/-    1.73  0.100 / 0.280
G20     25.2           62.2                9.9 +/-    2.12      11.0 +/-    2.12  0.150 / 0.330
G21     122.7          65.2               11.1 +/-    1.34      12.1 +/-    1.34  0.180 / 0.510
G24     86.5           30.1                9.2 +/-    1.02      16.1 +/-    1.02  0.030 / 0.040
G27     287.0          37.9               10.3 +/-    1.70      15.5 +/-    1.70  0.040 / 0.050
G32     215.5          44.8               11.4 +/-    1.13      15.3 +/-    1.13  0.040 / 0.030