PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/13-02:58:10
G08     316.3          14.9                6.8 +/-    2.70      17.0 +/-    2.70  0.060 / 0.060
G10     316.9          57.2                9.3 +/-    0.84      10.8 +/-    0.84  0.070 / 0.070
G14     214.5          20.6               13.2 +/-    2.75      28.5 +/-    2.75  0.040 / 0.030
G15     45.8           19.4                7.8 +/-    2.64      17.4 +/-    2.64  0.040 / 0.040
G20     349.4          64.6               17.2 +/-    1.03      18.8 +/-    1.03  0.180 / 0.420
G21     123.6          65.7               11.9 +/-    0.67      12.9 +/-    0.67  0.220 / 0.330
G24     82.5           29.4                9.4 +/-    1.37      16.7 +/-    1.37  0.070 / 0.100
G27     285.8          37.5               10.6 +/-    1.23      16.1 +/-    1.23  0.080 / 0.110
G32     216.7          46.0               12.4 +/-    1.36      16.5 +/-    1.36  0.130 / 0.340