PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/14-14:57:50
G02     2.8            74.4               10.5 +/-    0.70      10.9 +/-    0.70  0.110 / 0.280
G05     164.5          37.6               13.4 +/-    0.99      20.2 +/-    0.99  0.170 / 0.330
G06     43.0           36.8                7.1 +/-    0.98      11.0 +/-    0.98  0.040 / 0.080
G12     297.5          75.7                9.8 +/-    1.31      10.1 +/-    1.31  0.040 / 0.090
G19     81.8           22.1                8.9 +/-    1.76      18.7 +/-    1.76  0.030 / 0.040
G24     225.3          19.0               12.6 +/-    1.80      28.4 +/-    1.80  0.020 / 0.030
G25     315.5          36.5               10.3 +/-    0.95      15.9 +/-    0.95  0.050 / 0.070
G29     292.9          16.7                8.9 +/-    1.27      21.1 +/-    1.27  0.050 / 0.080