PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/17-00:13:10
G02     0.1            75.2               10.9 +/-    0.76      11.3 +/-    0.76  0.030 / 0.040
G05     161.0          38.6               15.8 +/-    1.40      23.4 +/-    1.40  0.020 / 0.040
G06     43.0           35.7               10.0 +/-    0.61      15.7 +/-    0.61  0.050 / 0.060
G12     301.3          75.8               10.6 +/-    0.48      10.9 +/-    0.48  0.050 / 0.070
G17     88.4           11.5               12.6 +/-    1.64      33.9 +/-    1.64  0.040 / 0.030
G19     78.2           26.0               12.2 +/-    1.98      23.3 +/-    1.98  0.040 / 0.040
G24     224.9          19.7               16.8 +/-    2.19      37.2 +/-    2.19  0.070 / 0.110
G25     316.5          32.1               11.9 +/-    1.20      20.0 +/-    1.20  0.060 / 0.130
G29     289.0          10.6               -6.3 +/-   23.50     -17.3 +/-   23.50  0.070 / 0.120