PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-16:42:50
G01     309.9          30.9                5.1 +/-    1.99       8.8 +/-    1.99  0.040 / 0.050
G10     102.3          42.9                7.1 +/-    0.43       9.9 +/-    0.43  0.030 / 0.040
G11     288.1          27.0                5.6 +/-    1.52      10.4 +/-    1.52  0.120 / 0.150
G14     345.5          68.6                4.9 +/-    0.79       5.2 +/-    0.79  0.100 / 0.170
G22     308.6          24.0                5.3 +/-    2.64      10.5 +/-    2.64  0.040 / 0.040
G25     86.1           15.6                7.7 +/-    1.00      18.9 +/-    1.00  0.050 / 0.050
G31     169.1          61.5                9.6 +/-    0.65      10.8 +/-    0.65  0.070 / 0.190
G32     32.9           54.6                5.6 +/-    0.46       6.7 +/-    0.46  0.060 / 0.210