PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/31-08:43:00
G01     311.8          29.2                4.0 +/-    1.55       7.0 +/-    1.55  0.040 / 0.040
G10     99.6           44.1                5.6 +/-    0.83       7.7 +/-    0.83  0.050 / 0.050
G11     289.1          27.2                4.9 +/-    2.23       9.1 +/-    2.23  0.110 / 0.130
G14     329.4          69.3                4.2 +/-    0.71       4.5 +/-    0.71  0.090 / 0.090
G18     287.5          47.9                7.0 +/-    9.50       9.0 +/-    9.50  0.080 / 0.090
G22     308.3          24.4                4.0 +/-    1.52       7.9 +/-    1.52  0.100 / 0.170
G25     88.4           14.7                3.5 +/-    1.69       8.7 +/-    1.69  0.200 / 0.290
G31     167.3          60.4                5.5 +/-    0.34       6.2 +/-    0.34  0.430 / 0.350
G32     31.9           55.2                3.7 +/-    0.68       4.4 +/-    0.68  0.060 / 0.170