PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/03-12:27:40
G01     315.2          25.1                5.7 +/-    2.41      11.1 +/-    2.41  0.030 / 0.060
G10     92.6           48.1                5.5 +/-    0.70       7.1 +/-    0.70  0.040 / 0.060
G11     296.5          25.1                6.1 +/-    1.66      11.9 +/-    1.66  0.030 / 0.040
G14     316.5          70.1                6.1 +/-    0.65       6.5 +/-    0.65  0.030 / 0.050
G18     295.6          45.2                7.0 +/-    1.31       9.4 +/-    1.31  0.100 / 0.200
G22     306.0          20.6                4.1 +/-    2.36       8.8 +/-    2.36  0.100 / 0.190
G25     94.0           12.5                4.7 +/-    1.31      12.3 +/-    1.31  0.130 / 0.380
G31     171.4          53.7                8.5 +/-    0.81      10.3 +/-    0.81  0.120 / 0.440
G32     24.5           59.8                4.8 +/-    0.58       5.4 +/-    0.58  0.110 / 0.280