PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-22:12:50
G10     284.2          47.0               11.5 +/-    2.67      15.1 +/-    2.67  0.080 / 0.110
G15     50.6           42.1                8.8 +/-    1.05      12.3 +/-    1.05  0.080 / 0.090
G20     328.9          64.8               10.3 +/-    0.65      11.2 +/-    0.65  0.090 / 0.180
G21     55.4           77.3               10.8 +/-    0.62      11.1 +/-    0.62  0.080 / 0.170
G24     105.0          22.2               11.8 +/-    0.81      24.6 +/-    0.81  0.040 / 0.040
G27     310.2          28.4                8.9 +/-    1.33      16.1 +/-    1.33  0.030 / 0.040
G29     168.8          17.1               13.9 +/-    1.31      32.9 +/-    1.31  0.030 / 0.040
G32     206.9          23.8               14.6 +/-    3.01      29.3 +/-    3.01  0.060 / 0.080