PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/19-23:57:40
G01     311.9          28.9               10.1 +/-    1.91      18.0 +/-    1.91  0.090 / 0.240
G10     98.5           45.4                9.4 +/-    0.77      12.6 +/-    0.77  0.080 / 0.230
G11     288.2          28.4                8.4 +/-    1.01      15.2 +/-    1.01  0.050 / 0.060
G14     344.4          69.3                8.5 +/-    0.97       9.0 +/-    0.97  0.040 / 0.060
G18     112.9          18.7               10.6 +/-    1.03      24.2 +/-    1.03  0.030 / 0.050
G22     306.8          19.9               11.3 +/-    2.68      24.8 +/-    2.68  0.040 / 0.050
G25     86.6           14.3                9.9 +/-    1.39      25.0 +/-    1.39  0.070 / 0.160
G31     176.6          54.4               11.6 +/-    2.25      13.9 +/-    2.25  0.060 / 0.120
G32     24.5           59.3                9.1 +/-    0.41      10.4 +/-    0.41  0.040 / 0.040