PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/19-16:43:00
G05     49.7           16.2                7.4 +/-    2.36      17.8 +/-    2.36  0.090 / 0.280
G10     239.1          17.8               10.6 +/-    1.36      24.7 +/-    1.36  0.170 / 0.240
G13     68.7           34.5                9.1 +/-    0.93      14.5 +/-    0.93  0.110 / 0.440
G15     113.8          55.1               10.4 +/-    0.80      12.3 +/-    0.80  0.120 / 0.530
G16     309.2          14.3                7.6 +/-    4.03      19.3 +/-    4.03  0.060 / 0.060
G20     253.8          42.4               10.8 +/-    1.96      15.2 +/-    1.96  0.040 / 0.060
G21     318.0          49.6                9.4 +/-    0.59      11.9 +/-    0.59  0.070 / 0.110
G26     282.7          19.6                7.9 +/-    1.60      17.5 +/-    1.60  0.060 / 0.120
G29     157.1          68.2               11.4 +/-    0.71      12.2 +/-    0.71  0.030 / 0.040