PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/10-19:12:40
G05     49.5           17.3               10.6 +/-    1.09      24.9 +/-    1.09  0.150 / 0.460
G10     238.2          13.8               10.7 +/-    4.15      27.4 +/-    4.15  0.170 / 0.260
G13     73.6           37.2               11.5 +/-    0.61      17.5 +/-    0.61  0.100 / 0.190
G15     118.7          53.9               13.2 +/-    0.90      15.9 +/-    0.90  0.080 / 0.190
G16     315.4          10.8                5.5 +/-   20.04      15.1 +/-   20.04  0.080 / 0.130
G18     248.7          45.0               12.2 +/-    1.09      16.4 +/-    1.09  0.070 / 0.190
G20     29.9           63.9               11.7 +/-    0.55      12.8 +/-    0.55  0.040 / 0.070
G21     317.6          50.7               11.9 +/-    0.99      14.9 +/-    0.99  0.040 / 0.070
G26     289.1          18.7               11.1 +/-    1.22      25.1 +/-    1.22  0.240 / 0.590
G29     154.9          63.3               13.6 +/-    1.14      15.0 +/-    1.14  0.140 / 0.650