PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-20:58:10
G01     307.4          32.8               10.7 +/-    1.64      17.7 +/-    1.64  0.080 / 0.130
G10     105.4          41.0               12.2 +/-    0.99      17.4 +/-    0.99  0.090 / 0.150
G11     282.8          28.3               10.3 +/-    1.29      18.7 +/-    1.29  0.140 / 0.160
G14     356.8          66.9               10.9 +/-    0.51      11.7 +/-    0.51  0.090 / 0.130
G18     117.3          13.4               14.1 +/-    1.95      36.5 +/-    1.95  0.030 / 0.030
G22     309.3          24.7               11.2 +/-    1.66      22.1 +/-    1.66  0.030 / 0.030
G25     82.1           16.4               12.7 +/-    1.63      30.6 +/-    1.63  0.040 / 0.030
G31     171.3          62.8               16.0 +/-    0.46      17.7 +/-    0.46  0.050 / 0.030
G32     34.3           53.7               10.7 +/-    1.23      12.9 +/-    1.23  0.070 / 0.090