PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-20:42:50
G01     43.4           19.4               10.1 +/-    0.63      22.5 +/-    0.63  0.120 / 0.180
G06     175.1          35.5               15.8 +/-    1.10      24.9 +/-    1.10  0.080 / 0.150
G13     241.5          24.7               13.1 +/-    1.81      25.8 +/-    1.81  0.060 / 0.110
G15     275.2          13.5               11.8 +/-    1.90      30.5 +/-    1.90  0.100 / 0.120
G17     339.9          74.7               13.1 +/-    0.66      13.6 +/-    0.66  0.040 / 0.050
G19     264.1          65.5               12.8 +/-    0.81      13.9 +/-    0.81  0.050 / 0.060
G24     317.6          16.1                9.8 +/-    2.73      23.8 +/-    2.73  0.040 / 0.060
G28     66.4           48.6               11.2 +/-    0.41      14.4 +/-    0.41  0.040 / 0.060
G30     153.2          30.9               15.4 +/-    1.20      26.5 +/-    1.20  0.060 / 0.100