PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-02:43:00
G01     320.6          11.9               -3.8 +/-   30.67     -10.1 +/-   30.67  0.030 / 0.030
G08     262.4          16.7               12.6 +/-    2.23      29.9 +/-    2.23  0.020 / 0.020
G10     66.0           57.8                6.8 +/-    0.39       7.8 +/-    0.39  0.160 / 0.380
G11     307.8          20.9                7.6 +/-    3.69      16.3 +/-    3.69  0.220 / 0.440
G14     278.8          69.3                7.7 +/-    0.77       8.2 +/-    0.77  0.150 / 0.300
G18     94.6           34.9                7.3 +/-    0.71      11.6 +/-    0.71  0.170 / 0.390
G21     154.5          11.5                7.5 +/-    3.72      20.1 +/-    3.72  0.200 / 0.400
G27     227.9          13.2               13.8 +/-    2.63      35.7 +/-    2.63  0.140 / 0.450
G31     178.6          32.9               10.1 +/-    1.26      16.7 +/-    1.26  0.040 / 0.060
G32     342.3          72.9                7.4 +/-    0.50       7.8 +/-    0.50  0.050 / 0.060