PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-13:43:00
G01     321.1          10.5              -16.6 +/-   18.89     -45.8 +/-   18.89  0.140 / 0.200
G08     268.8          17.0                6.1 +/-    1.90      14.5 +/-    1.90  0.120 / 0.280
G10     64.5           57.9                5.8 +/-    0.80       6.7 +/-    0.80  0.040 / 0.040
G11     312.2          16.0                2.4 +/-    2.57       5.9 +/-    2.57  0.030 / 0.040
G14     268.8          65.5                7.1 +/-    0.76       7.7 +/-    0.76  0.050 / 0.070
G21     154.4          11.9                6.4 +/-    1.69      17.1 +/-    1.69  0.050 / 0.070
G27     229.5          14.2                5.9 +/-    1.72      14.9 +/-    1.72  0.190 / 0.250
G31     177.1          33.5                8.1 +/-    1.12      13.2 +/-    1.12  0.170 / 0.280
G32     349.2          72.7                6.3 +/-    0.54       6.6 +/-    0.54  0.030 / 0.030