PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/14-16:43:10
G02     329.5          80.0               11.5 +/-    0.80      11.6 +/-    0.80  0.020 / 0.040
G05     169.1          29.0               19.2 +/-    1.72      34.4 +/-    1.72  0.030 / 0.030
G06     41.2           42.5               10.9 +/-    0.58      15.3 +/-    0.58  0.080 / 0.140
G12     313.3          69.6                8.8 +/-    1.17       9.4 +/-    1.17  0.070 / 0.130
G19     75.2           26.4               12.7 +/-    2.12      24.0 +/-    2.12  0.040 / 0.100
G24     231.1          24.2               14.4 +/-    1.41      28.6 +/-    1.41  0.060 / 0.110
G25     317.2          30.8               11.9 +/-    1.47      20.5 +/-    1.47  0.030 / 0.030
G29     286.6          10.8               -2.9 +/-   26.98      -7.9 +/-   26.98  0.030 / 0.040