PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/29-22:42:40
G08     311.7          18.1               10.4 +/-    1.26      24.0 +/-    1.26  0.030 / 0.030
G10     322.9          58.2               12.0 +/-    1.05      13.8 +/-    1.05  0.030 / 0.030
G14     216.1          28.5               17.7 +/-    1.42      32.1 +/-    1.42  0.060 / 0.090
G15     46.1           14.2               11.1 +/-    1.32      28.1 +/-    1.32  0.070 / 0.090
G18     32.0           61.0               14.8 +/-    0.82      16.7 +/-    0.82  0.030 / 0.050
G21     129.8          58.9               16.3 +/-    0.78      18.7 +/-    0.78  0.040 / 0.030
G24     80.3           30.6               14.8 +/-    2.02      25.5 +/-    2.02  0.070 / 0.060
G27     278.2          38.1               13.3 +/-    2.82      19.9 +/-    2.82  0.050 / 0.070
G32     220.5          45.0               15.6 +/-    2.13      21.1 +/-    2.13  0.150 / 0.230