PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/06-20:42:50
G01     311.6          29.2                9.2 +/-    0.67      16.3 +/-    0.67  0.130 / 0.210
G10     99.3           44.8                9.2 +/-    0.41      12.4 +/-    0.41  0.090 / 0.240
G11     288.8          27.7                6.7 +/-    1.93      12.3 +/-    1.93  0.030 / 0.040
G14     343.4          69.2                9.0 +/-    0.48       9.6 +/-    0.48  0.030 / 0.040
G18     113.7          17.3                9.1 +/-    1.06      21.4 +/-    1.06  0.200 / 0.230
G22     307.2          20.5                7.8 +/-    3.06      17.0 +/-    3.06  0.210 / 0.170
G25     87.4           14.7               10.5 +/-    3.38      26.4 +/-    3.38  0.030 / 0.030
G31     174.1          56.7               11.7 +/-    0.62      13.7 +/-    0.62  0.040 / 0.030
G32     27.8           57.6                8.3 +/-    1.02       9.7 +/-    1.02  0.080 / 0.110