PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/06-19:58:10
G10     247.8          23.5               20.4 +/-    2.57      41.3 +/-    2.57  0.120 / 0.360
G13     57.9           33.0               16.4 +/-    0.31      27.0 +/-    0.31  0.130 / 0.440
G15     92.9           57.5               19.1 +/-    0.63      22.2 +/-    0.63  0.050 / 0.060
G16     303.2          13.6               12.7 +/-    2.78      32.8 +/-    2.78  0.040 / 0.060
G18     264.8          54.4               19.7 +/-    0.87      23.7 +/-    0.87  0.110 / 0.360
G20     40.2           51.6               16.8 +/-    0.39      20.8 +/-    0.39  0.140 / 0.330
G21     332.2          59.5               17.1 +/-    0.90      19.5 +/-    0.90  0.050 / 0.060
G26     275.6          16.2               16.9 +/-    2.60      40.8 +/-    2.60  0.050 / 0.070
G29     161.4          48.5               20.0 +/-    1.19      25.7 +/-    1.19  0.100 / 0.200