PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/11-18:57:30
G01     43.0           19.0                9.9 +/-    0.66      22.3 +/-    0.66  0.060 / 0.110
G06     174.6          36.5               16.1 +/-    1.06      24.9 +/-    1.06  0.060 / 0.120
G13     240.7          24.3               13.6 +/-    1.73      27.1 +/-    1.73  0.130 / 0.180
G15     275.4          13.2               12.2 +/-    1.64      31.8 +/-    1.64  0.130 / 0.200
G17     346.9          73.9               13.0 +/-    0.65      13.5 +/-    0.65  0.090 / 0.170
G19     264.6          65.3               12.6 +/-    0.60      13.7 +/-    0.60  0.080 / 0.200
G24     317.3          17.0                9.9 +/-    2.61      23.5 +/-    2.61  0.020 / 0.040
G28     67.1           48.5               11.7 +/-    0.41      15.1 +/-    0.41  0.020 / 0.040
G30     153.6          31.0               15.7 +/-    1.58      27.0 +/-    1.58  0.050 / 0.060