PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-15:42:50
G05     48.7           18.5                7.4 +/-    2.19      16.9 +/-    2.19  0.040 / 0.060
G10     236.8          13.7                8.0 +/-    3.18      20.4 +/-    3.18  0.050 / 0.060
G13     74.0           35.9                8.7 +/-    1.00      13.5 +/-    1.00  0.060 / 0.090
G15     126.7          52.8                9.4 +/-    0.63      11.4 +/-    0.63  0.060 / 0.080
G16     313.7          12.4                6.9 +/-    2.37      18.3 +/-    2.37  0.200 / 0.340
G20     249.1          37.8               10.4 +/-    1.20      15.7 +/-    1.20  0.180 / 0.460
G21     316.1          49.1                8.4 +/-    0.65      10.7 +/-    0.65  0.030 / 0.040
G26     287.9          19.7                6.6 +/-    1.44      14.7 +/-    1.44  0.030 / 0.040
G29     154.9          70.5               10.1 +/-    0.92      10.7 +/-    0.92  0.090 / 0.150