PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-22:43:10
G08     319.4          12.5                9.3 +/-    3.48      24.4 +/-    3.48  0.090 / 0.090
G10     307.1          54.8                9.1 +/-    1.02      10.9 +/-    1.02  0.070 / 0.080
G14     212.1          16.6               15.4 +/-    2.51      36.7 +/-    2.51  0.170 / 0.260
G15     46.0           28.0                7.9 +/-    1.78      14.4 +/-    1.78  0.120 / 0.280
G20     7.2            64.7               11.1 +/-    0.79      12.1 +/-    0.79  0.090 / 0.130
G21     112.8          70.0               12.4 +/-    0.78      13.1 +/-    0.78  0.090 / 0.100
G24     88.1           28.0               12.1 +/-    2.03      22.1 +/-    2.03  0.030 / 0.040
G27     294.3          35.9               11.8 +/-    2.23      18.4 +/-    2.23  0.030 / 0.030
G32     213.2          39.4               13.2 +/-    1.34      19.3 +/-    1.34  0.220 / 0.310