PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/08-02:27:50
G01     317.2          21.5                3.7 +/-    4.02       7.9 +/-    4.02  0.120 / 0.230
G08     252.2          10.9               15.3 +/-    2.16      41.9 +/-    2.16  0.110 / 0.260
G10     85.3           51.7               14.6 +/-    0.51      18.0 +/-    0.51  0.200 / 0.290
G11     297.7          26.4               15.7 +/-    2.89      29.7 +/-    2.89  0.130 / 0.200
G14     316.0          71.6                9.1 +/-    1.26       9.5 +/-    1.26  0.040 / 0.060
G18     105.0          26.7               14.6 +/-    1.18      27.5 +/-    1.18  0.040 / 0.050
G22     302.4          13.2                6.9 +/-    2.07      17.8 +/-    2.07  0.050 / 0.070
G25     94.2           10.3              -14.3 +/-   25.65     -39.6 +/-   25.65  0.050 / 0.050
G31     176.6          45.3               16.1 +/-    1.05      21.6 +/-    1.05  0.060 / 0.080
G32     9.8            65.9               10.9 +/-    0.76      11.8 +/-    0.76  0.050 / 0.070