PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-08:58:00
G01     63.1           31.4                6.2 +/-   30.89      10.6 +/-   30.89  0.030 / 0.060
G06     182.8          10.4              -13.6 +/-   28.84     -37.7 +/-   28.84  0.040 / 0.050
G07     140.9          23.7                8.2 +/-   32.06      16.5 +/-   32.06  0.080 / 0.240
G11     49.6           25.0                5.8 +/-   33.17      11.4 +/-   33.17  0.090 / 0.270
G13     268.0          35.7               10.5 +/-   32.89      16.5 +/-   32.89  0.060 / 0.180
G15     296.6          16.4                6.8 +/-   33.32      16.4 +/-   33.32  0.070 / 0.160
G17     253.4          76.3               11.3 +/-   31.14      11.6 +/-   31.14  0.020 / 0.060
G19     230.3          49.9                3.5 +/-    1.71       4.4 +/-    1.71  0.020 / 0.040
G28     32.2           57.2               -0.9 +/-    4.96      -1.1 +/-    4.96  0.070 / 0.100
G30     141.1          55.0                9.0 +/-   32.09      10.7 +/-   32.09  0.070 / 0.090