PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/06-21:57:50
G08     293.9          23.5                9.6 +/-    1.72      19.4 +/-    1.72  0.050 / 0.090
G10     3.7            62.9               10.0 +/-    0.59      11.1 +/-    0.59  0.070 / 0.080
G14     227.9          44.2               12.4 +/-    0.61      16.9 +/-    0.61  0.040 / 0.070
G20     62.4           53.4                2.2 +/-    0.66       2.7 +/-    0.66  0.050 / 0.090
G21     145.4          41.9                4.0 +/-    0.73       5.6 +/-    0.73  0.080 / 0.120
G24     55.6           24.4                9.7 +/-    0.86      19.2 +/-    0.86  0.070 / 0.100
G27     258.1          32.7               11.4 +/-    1.02      18.9 +/-    1.02  0.110 / 0.160
G32     242.5          67.0               12.2 +/-    0.72      13.1 +/-    0.72  0.090 / 0.140