PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/15-20:27:50
G08     315.6          15.8               10.8 +/-    3.80      26.2 +/-    3.80  0.050 / 0.080
G10     315.9          57.0               12.8 +/-    0.82      14.9 +/-    0.82  0.060 / 0.080
G14     213.8          22.0               16.4 +/-    0.65      34.4 +/-    0.65  0.030 / 0.040
G15     45.8           21.7                8.0 +/-    1.39      16.8 +/-    1.39  0.030 / 0.050
G20     19.0           63.5               10.4 +/-    0.76      11.5 +/-    0.76  0.080 / 0.180
G21     123.0          64.7               14.2 +/-    0.85      15.6 +/-    0.85  0.080 / 0.210
G24     81.2           28.6               10.8 +/-    0.68      19.5 +/-    0.68  0.060 / 0.140
G27     288.6          36.8               11.2 +/-    1.13      17.2 +/-    1.13  0.070 / 0.100
G32     216.2          43.9               15.7 +/-    1.97      21.5 +/-    1.97  0.150 / 0.430