PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/01-18:57:40
G10     262.8          37.1                9.7 +/-    1.09      14.8 +/-    1.09  0.140 / 0.410
G13     43.7           20.4                8.8 +/-    1.84      19.2 +/-    1.84  0.130 / 0.350
G15     63.9           51.5               10.8 +/-    0.53      13.4 +/-    0.53  0.050 / 0.040
G16     282.6          14.0                7.5 +/-    1.08      19.2 +/-    1.08  0.050 / 0.060
G20     292.0          59.2                9.9 +/-    0.67      11.4 +/-    0.67  0.080 / 0.260
G21     352.4          68.4                9.3 +/-    0.56       9.9 +/-    0.56  0.090 / 0.250
G24     125.8          11.5               12.5 +/-    2.85      33.8 +/-    2.85  0.130 / 0.330
G27     320.6          15.1                6.5 +/-    2.15      16.2 +/-    2.15  0.120 / 0.390
G29     166.7          36.8               11.0 +/-    1.48      17.0 +/-    1.48  0.150 / 0.380