PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-16:57:50
G10     249.4          26.2               10.3 +/-    1.34      19.6 +/-    1.34  0.030 / 0.060
G13     54.6           30.3                7.3 +/-    0.96      12.8 +/-    0.96  0.050 / 0.060
G15     94.2           59.0                9.2 +/-    0.73      10.5 +/-    0.73  0.150 / 0.680
G16     297.5          15.4                7.4 +/-    2.57      18.3 +/-    2.57  0.200 / 0.900
G20     268.1          50.0                8.7 +/-    0.89      11.0 +/-    0.89  0.060 / 0.170
G21     334.5          60.3                8.1 +/-    0.94       9.1 +/-    0.94  0.060 / 0.160
G26     270.4          15.9               11.9 +/-    1.50      29.0 +/-    1.50  0.040 / 0.040
G29     163.6          51.1                9.3 +/-    1.75      11.6 +/-    1.75  0.050 / 0.040