PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-19:28:00
G08     264.1          17.9               10.1 +/-    1.89      23.3 +/-    1.89  0.040 / 0.040
G10     64.0           57.4                7.6 +/-    0.36       8.8 +/-    0.36  0.040 / 0.040
G11     309.9          18.9               10.0 +/-    2.54      22.6 +/-    2.54  0.100 / 0.190
G14     270.1          67.4                8.1 +/-    0.71       8.7 +/-    0.71  0.080 / 0.200
G20     96.6           35.7                8.3 +/-    0.28      12.9 +/-    0.28  0.120 / 0.470
G21     154.4          12.1                8.5 +/-    4.06      22.6 +/-    4.06  0.150 / 0.420
G27     232.9          15.7                9.4 +/-    1.92      22.9 +/-    1.92  0.120 / 0.270
G31     180.0          29.4               10.5 +/-    1.14      18.6 +/-    1.14  0.130 / 0.280
G32     341.3          73.8                8.3 +/-    0.44       8.6 +/-    0.44  0.100 / 0.100