PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/17-22:12:40
G01     307.3          33.0                7.7 +/-    1.38      12.8 +/-    1.38  0.090 / 0.120
G10     105.6          40.9                9.7 +/-    0.61      13.9 +/-    0.61  0.110 / 0.150
G11     282.0          28.5                8.9 +/-    1.67      16.0 +/-    1.67  0.080 / 0.090
G14     358.1          66.7                8.6 +/-    0.50       9.3 +/-    0.50  0.070 / 0.110
G18     117.3          13.6                9.7 +/-    2.10      25.0 +/-    2.10  0.030 / 0.030
G22     309.3          24.7                8.1 +/-    1.24      16.0 +/-    1.24  0.040 / 0.030
G25     81.5           16.4               10.3 +/-    1.75      24.8 +/-    1.75  0.110 / 0.190
G31     172.8          62.2               11.7 +/-    0.44      13.0 +/-    0.44  0.090 / 0.160
G32     33.7           54.1                8.8 +/-    1.27      10.6 +/-    1.27  0.040 / 0.030