PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/16-16:12:50
G01     302.2          36.1                9.1 +/-    2.70      14.2 +/-    2.70  0.140 / 0.110
G03     308.7          12.1                8.0 +/-    6.64      21.2 +/-    6.64  0.080 / 0.100
G10     111.3          36.6               10.0 +/-    1.14      15.4 +/-    1.14  0.100 / 0.150
G11     278.9          27.1                7.5 +/-    2.16      14.0 +/-    2.16  0.110 / 0.150
G14     4.4            64.9                6.9 +/-    0.88       7.6 +/-    0.88  0.030 / 0.030
G22     311.7          31.5                8.0 +/-    2.31      13.5 +/-    2.31  0.020 / 0.030
G25     77.5           18.0                8.3 +/-    2.07      19.1 +/-    2.07  0.050 / 0.040
G31     158.3          71.2               10.2 +/-    0.66      10.7 +/-    0.66  0.050 / 0.050
G32     42.3           48.1                6.0 +/-    2.04       7.8 +/-    2.04  0.060 / 0.080