PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-16:27:50
G01     279.8          41.3               11.9 +/-    1.82      17.0 +/-    1.82  0.060 / 0.050
G03     314.9          27.1                7.6 +/-    1.69      14.2 +/-    1.69  0.040 / 0.060
G10     125.8          22.5                9.3 +/-    0.66      19.3 +/-    0.66  0.050 / 0.050
G11     259.8          23.0                8.2 +/-    3.76      16.7 +/-    3.76  0.050 / 0.050
G14     33.4           55.0                6.7 +/-    1.01       8.0 +/-    1.01  0.020 / 0.020
G22     314.8          47.6                7.9 +/-    0.99      10.3 +/-    0.99  0.020 / 0.020
G25     59.1           18.6                6.5 +/-    2.71      14.8 +/-    2.71  0.080 / 0.110
G26     151.2          20.1               10.1 +/-    1.32      22.2 +/-    1.32  0.060 / 0.110
G31     74.9           78.1                8.6 +/-    0.59       8.8 +/-    0.59  0.100 / 0.110
G32     59.1           35.9                7.7 +/-    0.71      12.0 +/-    0.71  0.090 / 0.100