PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/24-18:58:10
G03     215.9          62.4               12.1 +/-    1.14      13.5 +/-    1.14  0.050 / 0.070
G07     252.1          10.8               -0.5 +/-   25.51      -1.3 +/-   25.51  0.050 / 0.060
G09     306.7          22.0                7.9 +/-    2.14      16.5 +/-    2.14  0.040 / 0.040
G14     104.4          11.6               12.1 +/-    2.79      32.6 +/-    2.79  0.030 / 0.040
G16     113.7          63.1               14.3 +/-    0.73      15.9 +/-    0.73  0.100 / 0.170
G22     189.4          47.4               13.5 +/-    2.08      17.6 +/-    2.08  0.060 / 0.180
G23     326.1          55.8               10.9 +/-    0.66      12.9 +/-    0.66  0.100 / 0.480
G26     59.7           47.4                9.7 +/-    1.00      12.6 +/-    1.00  0.120 / 0.430
G31     55.9           14.1                7.2 +/-    1.42      18.4 +/-    1.42  0.030 / 0.030