PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/19-15:57:50
G01     303.4          35.4                8.1 +/-    1.44      12.7 +/-    1.44  0.080 / 0.110
G03     308.2          11.3               -4.8 +/-   32.94     -12.9 +/-   32.94  0.060 / 0.110
G10     110.1          37.5                9.2 +/-    0.75      13.9 +/-    0.75  0.030 / 0.030
G11     280.4          27.1                8.0 +/-    1.65      14.9 +/-    1.65  0.030 / 0.030
G14     1.7            65.5                6.4 +/-    0.41       7.0 +/-    0.41  0.080 / 0.150
G22     311.4          30.6                7.1 +/-    1.33      12.2 +/-    1.33  0.070 / 0.140
G25     78.8           17.8                7.9 +/-    2.66      18.4 +/-    2.66  0.060 / 0.040
G31     160.1          70.0                9.8 +/-    0.53      10.3 +/-    0.53  0.050 / 0.040
G32     41.1           49.0                6.4 +/-    1.18       8.2 +/-    1.18  0.040 / 0.060