PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/19-14:58:00
G01     272.0          41.0               10.7 +/-    2.39      15.3 +/-    2.39  0.050 / 0.050
G03     316.2          33.1                6.0 +/-    1.70       9.9 +/-    1.70  0.050 / 0.060
G10     129.3          17.9               10.4 +/-    2.08      24.1 +/-    2.08  0.050 / 0.060
G11     254.0          20.7                7.2 +/-    1.81      15.5 +/-    1.81  0.050 / 0.040
G14     39.5           52.4                8.8 +/-    2.47      10.8 +/-    2.47  0.100 / 0.160
G22     314.4          54.2                8.7 +/-    0.82      10.5 +/-    0.82  0.140 / 0.170
G25     53.8           17.4                7.8 +/-    4.24      18.2 +/-    4.24  0.030 / 0.020
G31     55.4           73.1                9.0 +/-    0.41       9.4 +/-    0.41  0.030 / 0.030
G32     64.2           31.9                6.5 +/-    1.06      11.0 +/-    1.06  0.110 / 0.120