PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/05-19:43:10
G08     270.2          19.2               16.8 +/-    1.69      37.6 +/-    1.69  0.200 / 0.120
G10     54.3           60.0               12.7 +/-    0.72      14.4 +/-    0.72  0.170 / 0.170
G11     313.7          15.0               10.9 +/-    2.50      27.1 +/-    2.50  0.130 / 0.410
G14     261.1          64.7               16.5 +/-    0.92      18.0 +/-    0.92  0.140 / 0.180
G18     89.8           36.9               13.4 +/-    1.13      20.5 +/-    1.13  0.070 / 0.100
G21     152.5          13.6               17.0 +/-    2.02      43.8 +/-    2.02  0.070 / 0.100
G24     41.5           13.3                7.9 +/-    4.52      20.5 +/-    4.52  0.020 / 0.020
G27     232.9          17.5               19.4 +/-    2.91      45.4 +/-    2.91  0.030 / 0.020
G31     180.5          25.4               18.0 +/-    1.27      34.7 +/-    1.27  0.110 / 0.350
G32     322.1          75.2               14.2 +/-    0.34      14.6 +/-    0.34  0.120 / 0.280