PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-17:27:50
G01     278.1          41.3                6.0 +/-    1.54       8.5 +/-    1.54  0.030 / 0.030
G03     315.1          27.4                5.0 +/-    1.91       9.3 +/-    1.91  0.020 / 0.040
G10     126.6          21.5                8.8 +/-    1.12      18.6 +/-    1.12  0.050 / 0.060
G11     258.0          22.6                4.6 +/-    2.72       9.5 +/-    2.72  0.050 / 0.060
G14     35.6           54.0                6.6 +/-    0.60       8.0 +/-    0.60  0.040 / 0.080
G22     314.7          48.1                6.0 +/-    1.03       7.7 +/-    1.03  0.050 / 0.060
G25     57.7           18.3                6.3 +/-    0.46      14.5 +/-    0.46  0.060 / 0.120
G26     150.9          20.9                8.8 +/-    2.10      19.0 +/-    2.10  0.060 / 0.090
G31     70.6           77.7                6.4 +/-    0.65       6.5 +/-    0.65  0.080 / 0.140
G32     60.0           35.3                5.8 +/-    0.43       9.1 +/-    0.43  0.100 / 0.130