PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/23-23:28:10
G01     315.4          24.6               10.3 +/-    1.04      20.4 +/-    1.04  0.050 / 0.050
G10     91.2           49.1               11.1 +/-    0.60      14.1 +/-    0.60  0.040 / 0.040
G11     294.5          27.0                8.9 +/-    1.75      16.6 +/-    1.75  0.110 / 0.180
G14     327.6          70.9               10.3 +/-    0.70      10.9 +/-    0.70  0.070 / 0.150
G18     108.7          22.7               11.3 +/-    0.99      23.2 +/-    0.99  0.110 / 0.510
G22     304.3          15.6                8.1 +/-    3.30      19.9 +/-    3.30  0.140 / 0.420
G25     92.2           12.1               10.3 +/-    2.27      27.5 +/-    2.27  0.130 / 0.470
G31     178.2          47.7               14.2 +/-    1.19      18.5 +/-    1.19  0.160 / 0.420
G32     16.3           63.3                9.0 +/-    1.19      10.0 +/-    1.19  0.040 / 0.050