PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-19:58:00
G01     318.4          19.3                8.2 +/-    3.05      18.5 +/-    3.05  0.160 / 0.390
G08     256.0          12.3                8.6 +/-    4.86      22.9 +/-    4.86  0.130 / 0.430
G10     81.8           52.9                7.9 +/-    0.76       9.6 +/-    0.76  0.140 / 0.260
G11     302.1          23.6                8.0 +/-    2.69      16.1 +/-    2.69  0.150 / 0.340
G14     303.2          71.0                9.4 +/-    0.54       9.8 +/-    0.54  0.050 / 0.070
G18     103.9          26.5               10.0 +/-    1.02      18.9 +/-    1.02  0.050 / 0.050
G22     301.2          11.1                3.9 +/-   12.93      10.7 +/-   12.93  0.040 / 0.040
G31     177.5          42.2               12.2 +/-    1.51      17.1 +/-    1.51  0.030 / 0.030
G32     8.2            66.9                8.8 +/-    0.72       9.4 +/-    0.72  0.070 / 0.060