PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/27-18:12:50
G01     280.6          41.3               12.9 +/-    0.58      18.4 +/-    0.58  0.040 / 0.050
G03     314.6          25.2                7.6 +/-    1.08      14.7 +/-    1.08  0.040 / 0.060
G10     125.3          23.1               11.2 +/-    0.82      22.9 +/-    0.82  0.040 / 0.050
G11     259.4          23.4               10.8 +/-    4.06      21.9 +/-    4.06  0.050 / 0.050
G14     33.6           54.9                8.4 +/-    1.44      10.0 +/-    1.44  0.070 / 0.120
G22     314.6          45.9                9.3 +/-    1.33      12.4 +/-    1.33  0.100 / 0.140
G25     59.4           18.6                7.3 +/-    2.66      16.7 +/-    2.66  0.020 / 0.020
G26     152.3          19.2               11.9 +/-    1.36      26.6 +/-    1.36  0.030 / 0.030
G31     81.1           79.2               10.3 +/-    0.44      10.4 +/-    0.44  0.080 / 0.060
G32     58.2           36.7                8.9 +/-    1.30      13.7 +/-    1.30  0.080 / 0.060