PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/22-04:27:50
G01     300.4          37.0                9.6 +/-    1.17      14.8 +/-    1.17  0.040 / 0.070
G10     112.3          36.2                8.2 +/-    0.48      12.8 +/-    0.48  0.040 / 0.070
G11     272.0          29.1               10.2 +/-    2.03      18.1 +/-    2.03  0.080 / 0.100
G14     13.9           62.6                8.0 +/-    0.76       8.9 +/-    0.76  0.070 / 0.100
G18     121.1          10.4                4.7 +/-    1.88      13.1 +/-    1.88  0.070 / 0.080
G22     311.7          31.4                8.7 +/-    1.89      14.8 +/-    1.89  0.060 / 0.080
G25     71.3           17.1                6.8 +/-    0.75      16.1 +/-    0.75  0.040 / 0.050
G31     160.7          71.5                9.5 +/-    0.84      10.0 +/-    0.84  0.040 / 0.060
G32     41.3           49.2                7.6 +/-    0.66       9.7 +/-    0.66  0.090 / 0.210