PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-15:28:00
G02     60.7           31.4                7.4 +/-    1.21      12.6 +/-    1.21  0.020 / 0.020
G05     59.2           62.6                9.8 +/-    0.42      10.9 +/-    0.42  0.020 / 0.030
G12     186.0          33.0                9.7 +/-    1.22      16.0 +/-    1.22  0.060 / 0.090
G13     129.2          15.4               11.2 +/-    2.66      27.6 +/-    2.66  0.080 / 0.090
G15     162.7          12.8               11.0 +/-    2.94      28.9 +/-    2.94  0.200 / 0.270
G20     208.7          59.4               11.2 +/-    0.52      12.7 +/-    0.52  0.120 / 0.300
G21     272.8          20.5                9.1 +/-    1.95      19.9 +/-    1.95  0.040 / 0.040
G25     234.0          51.2               12.1 +/-    2.25      15.0 +/-    2.25  0.040 / 0.050
G29     334.6          60.9                8.4 +/-    0.33       9.5 +/-    0.33  0.100 / 0.050