PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-15:27:50
G01     313.9          27.3                7.5 +/-    2.96      14.0 +/-    2.96  0.050 / 0.060
G10     95.8           45.4                7.1 +/-    0.49       9.5 +/-    0.49  0.040 / 0.050
G11     290.5          27.5                5.5 +/-    1.26      10.1 +/-    1.26  0.130 / 0.270
G14     336.0          70.4                7.4 +/-    0.55       7.8 +/-    0.55  0.160 / 0.330
G18     286.7          50.1                8.0 +/-    0.78      10.1 +/-    0.78  0.090 / 0.140
G20     114.5          20.6                7.7 +/-    1.04      16.7 +/-    1.04  0.090 / 0.150
G22     306.7          20.0                7.9 +/-    2.20      17.5 +/-    2.20  0.030 / 0.050
G25     87.7           12.8                8.5 +/-    2.25      22.3 +/-    2.25  0.040 / 0.050
G31     177.1          51.2                9.0 +/-    1.56      11.2 +/-    1.56  0.120 / 0.250
G32     21.1           61.2                7.1 +/-    0.45       7.9 +/-    0.45  0.130 / 0.260