PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/29-17:12:50
G01     117.4          19.2               19.2 +/-    1.08      43.1 +/-    1.08  0.050 / 0.100
G07     85.0           65.8               17.8 +/-    0.27      19.3 +/-    0.27  0.050 / 0.080
G08     44.7           31.4               14.7 +/-    0.63      25.0 +/-    0.63  0.020 / 0.040
G09     176.6          23.8               18.5 +/-    0.93      37.1 +/-    0.93  0.030 / 0.040
G11     105.0          40.7               18.4 +/-    0.74      26.5 +/-    0.74  0.030 / 0.040
G13     316.7          20.9               15.0 +/-    2.40      32.2 +/-    2.40  0.030 / 0.040
G17     203.0          24.4               18.9 +/-    2.64      37.6 +/-    2.64  0.040 / 0.050
G18     92.4           21.6               17.1 +/-    0.69      36.1 +/-    0.69  0.040 / 0.050
G28     296.8          58.2               16.7 +/-    0.82      19.3 +/-    0.82  0.070 / 0.200
G30     351.7          70.7               16.9 +/-    0.58      17.8 +/-    0.58  0.070 / 0.190