PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-16:28:00
G05     49.6           16.0                8.3 +/-    2.09      20.1 +/-    2.09  0.120 / 0.250
G10     237.8          13.4               11.8 +/-    2.70      30.6 +/-    2.70  0.110 / 0.280
G13     74.1           37.1                9.4 +/-    0.47      14.4 +/-    0.47  0.140 / 0.280
G15     118.2          53.6               12.0 +/-    0.75      14.6 +/-    0.75  0.110 / 0.230
G18     248.5          45.5               12.6 +/-    0.61      16.8 +/-    0.61  0.050 / 0.060
G20     27.4           65.8               10.5 +/-    0.40      11.4 +/-    0.40  0.040 / 0.050
G21     319.0          51.9               10.2 +/-    1.57      12.6 +/-    1.57  0.040 / 0.060
G26     288.6          19.1                8.6 +/-    2.14      19.2 +/-    2.14  0.040 / 0.050
G29     154.1          63.6               12.7 +/-    0.71      14.0 +/-    0.71  0.070 / 0.100