PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/06-14:27:50
G08     268.5          19.6                3.0 +/-    1.59       6.8 +/-    1.59  0.030 / 0.030
G10     56.5           58.9                3.8 +/-    0.75       4.4 +/-    0.75  0.030 / 0.040
G11     312.8          16.3              -11.2 +/-   10.90     -27.0 +/-   10.90  0.140 / 0.220
G14     261.0          65.4                4.4 +/-    0.46       4.8 +/-    0.46  0.140 / 0.270
G18     312.6          33.0                3.2 +/-    0.82       5.3 +/-    0.82  0.140 / 0.390
G20     92.5           38.4                5.3 +/-    0.33       8.0 +/-    0.33  0.090 / 0.420
G21     152.9          13.4                7.0 +/-    4.73      18.0 +/-    4.73  0.040 / 0.050
G27     236.6          18.6                4.3 +/-    1.04       9.8 +/-    1.04  0.060 / 0.060
G31     181.6          24.0                7.5 +/-    2.13      15.1 +/-    2.13  0.090 / 0.220
G32     315.4          75.2                4.7 +/-    0.89       4.8 +/-    0.89  0.080 / 0.200