PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-01:43:10
G08     268.5          19.4                4.3 +/-    1.83       9.7 +/-    1.83  0.110 / 0.360
G10     53.9           60.2                3.2 +/-    0.98       3.6 +/-    0.98  0.090 / 0.310
G11     312.3          16.8                6.2 +/-    5.01      14.8 +/-    5.01  0.080 / 0.160
G14     262.8          65.9                4.3 +/-    0.54       4.7 +/-    0.54  0.070 / 0.140
G18     88.5           38.7                4.3 +/-    0.81       6.4 +/-    0.81  0.030 / 0.020
G21     153.5          17.2                6.2 +/-    3.14      14.5 +/-    3.14  0.030 / 0.020
G24     41.6           13.6                4.1 +/-    1.19      10.5 +/-    1.19  0.050 / 0.050
G27     232.6          17.4                7.5 +/-    2.22      17.5 +/-    2.22  0.040 / 0.060
G31     180.1          25.9                6.6 +/-    2.71      12.7 +/-    2.71  0.140 / 0.280
G32     317.1          75.0                6.3 +/-    0.98       6.5 +/-    0.98  0.100 / 0.300