PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-13:58:00
G01     317.0          22.2                3.4 +/-    1.69       7.1 +/-    1.69  0.200 / 0.250
G10     87.5           50.5                4.9 +/-    0.78       6.1 +/-    0.78  0.200 / 0.310
G11     300.7          23.4                3.4 +/-    1.06       6.9 +/-    1.06  0.210 / 0.300
G14     307.6          70.3                3.6 +/-    0.74       3.8 +/-    0.74  0.180 / 0.270
G22     303.9          16.6                3.3 +/-    2.69       8.0 +/-    2.69  0.040 / 0.040
G25     97.4           10.8               10.0 +/-    1.50      27.4 +/-    1.50  0.040 / 0.040
G31     173.4          49.1                7.9 +/-    0.82      10.0 +/-    0.82  0.040 / 0.040
G32     18.8           62.8                4.3 +/-    0.81       4.7 +/-    0.81  0.040 / 0.050