PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-00:57:40
G01     272.5          41.1                6.5 +/-    1.12       9.2 +/-    1.12  0.030 / 0.030
G03     315.3          26.7                4.0 +/-    2.23       7.6 +/-    2.23  0.020 / 0.020
G10     128.9          18.8                7.2 +/-    1.71      16.4 +/-    1.71  0.050 / 0.090
G11     250.8          21.5                8.4 +/-    2.03      17.8 +/-    2.03  0.060 / 0.090
G14     43.1           50.0                3.2 +/-    0.34       4.0 +/-    0.34  0.030 / 0.050
G22     314.2          49.4                2.8 +/-    1.37       3.6 +/-    1.37  0.060 / 0.060
G25     52.1           16.3                3.4 +/-    1.66       8.2 +/-    1.66  0.090 / 0.260
G26     153.0          21.7                7.7 +/-    2.19      16.3 +/-    2.19  0.090 / 0.300
G31     67.5           79.9                4.4 +/-    0.67       4.4 +/-    0.67  0.040 / 0.080
G32     61.3           35.7                3.5 +/-    0.79       5.5 +/-    0.79  0.030 / 0.070