PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/24-04:27:40
G01     296.2          38.6                5.2 +/-    1.36       7.8 +/-    1.36  0.060 / 0.110
G03     309.8          11.3               -5.3 +/-   33.43     -14.3 +/-   33.43  0.070 / 0.100
G10     115.7          33.3                7.4 +/-    0.60      12.1 +/-    0.60  0.040 / 0.080
G11     267.8          28.3                6.0 +/-    1.25      10.9 +/-    1.25  0.040 / 0.070
G14     20.0           60.4                3.3 +/-    0.67       3.7 +/-    0.67  0.080 / 0.110
G22     312.7          34.4                3.5 +/-    1.98       5.7 +/-    1.98  0.090 / 0.140
G25     67.6           17.4                3.8 +/-    0.64       8.8 +/-    0.64  0.040 / 0.070
G31     153.0          75.2                6.0 +/-    1.42       6.2 +/-    1.42  0.050 / 0.060
G32     45.0           46.7                2.8 +/-    0.69       3.7 +/-    0.69  0.070 / 0.110