PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/06-02:13:00
G01     320.4          12.9                8.8 +/-    3.42      23.1 +/-    3.42  0.120 / 0.220
G08     261.3          16.2               12.7 +/-    3.18      30.6 +/-    3.18  0.120 / 0.200
G10     68.3           57.2                7.8 +/-    0.59       9.1 +/-    0.59  0.260 / 0.560
G11     307.0          21.5                8.1 +/-    1.67      17.3 +/-    1.67  0.180 / 0.440
G14     282.2          69.8                9.1 +/-    0.81       9.6 +/-    0.81  0.020 / 0.030
G18     95.8           33.9                8.1 +/-    0.54      13.1 +/-    0.54  0.020 / 0.030
G21     154.6          10.1                6.6 +/-    4.98      18.4 +/-    4.98  0.050 / 0.060
G27     227.1          12.3               11.3 +/-    5.23      29.8 +/-    5.23  0.050 / 0.060
G31     178.6          33.9                9.8 +/-    1.61      15.8 +/-    1.61  0.070 / 0.090
G32     345.1          72.4                8.8 +/-    0.66       9.1 +/-    0.66  0.050 / 0.080