PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/08-19:28:10
G10     262.8          35.9               15.2 +/-    1.42      23.7 +/-    1.42  0.090 / 0.180
G13     43.9           21.0               10.1 +/-    0.97      21.6 +/-    0.97  0.100 / 0.260
G15     68.2           55.2               12.0 +/-    0.69      14.2 +/-    0.69  0.040 / 0.040
G16     282.6          13.4               14.4 +/-    1.58      37.3 +/-    1.58  0.040 / 0.050
G20     290.1          58.4               15.2 +/-    1.08      17.6 +/-    1.08  0.070 / 0.260
G21     355.5          69.5               13.4 +/-    0.41      14.2 +/-    0.41  0.070 / 0.250
G24     120.9          12.2               16.7 +/-    2.77      44.3 +/-    2.77  0.110 / 0.310
G27     320.8          14.5               12.0 +/-    3.61      30.3 +/-    3.61  0.150 / 0.310
G29     167.3          35.7               14.5 +/-    0.99      22.7 +/-    0.99  0.070 / 0.380