PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/10-19:57:40
G10     282.0          46.1               15.6 +/-    1.06      20.6 +/-    1.06  0.140 / 0.100
G15     51.0           42.2               13.6 +/-    0.82      19.1 +/-    0.82  0.070 / 0.100
G20     324.9          64.5               15.6 +/-    0.44      17.1 +/-    0.44  0.030 / 0.040
G21     50.7           76.9               15.6 +/-    0.62      15.9 +/-    0.62  0.030 / 0.040
G24     106.0          21.4               16.2 +/-    0.58      34.5 +/-    0.58  0.030 / 0.040
G27     311.9          26.9               13.8 +/-    1.36      25.7 +/-    1.36  0.040 / 0.070
G29     168.5          18.4               14.1 +/-    1.16      32.3 +/-    1.16  0.100 / 0.170
G32     206.5          21.6               15.4 +/-    2.02      32.6 +/-    2.02  0.090 / 0.150