PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-22:42:50
G08     311.7          18.1               11.1 +/-    1.73      25.6 +/-    1.73  0.040 / 0.050
G10     322.9          58.2               13.4 +/-    1.18      15.4 +/-    1.18  0.050 / 0.060
G14     216.1          28.5               18.2 +/-    1.96      32.9 +/-    1.96  0.060 / 0.110
G15     46.1           14.2               10.3 +/-    0.82      26.0 +/-    0.82  0.070 / 0.120
G18     32.0           61.0               12.9 +/-    0.80      14.5 +/-    0.80  0.030 / 0.050
G21     129.8          58.9               17.2 +/-    0.70      19.7 +/-    0.70  0.030 / 0.040
G24     80.3           30.6               16.8 +/-    0.88      29.0 +/-    0.88  0.090 / 0.210
G27     278.2          38.1               14.7 +/-    2.09      22.2 +/-    2.09  0.090 / 0.200
G32     220.5          45.0               16.1 +/-    2.32      21.7 +/-    2.32  0.070 / 0.090