PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-00:28:10
G01     38.1           10.8                6.9 +/-    3.00      18.9 +/-    3.00  0.160 / 0.380
G02     199.1          16.4               10.5 +/-    1.00      25.2 +/-    1.00  0.160 / 0.420
G06     173.6          46.8               11.6 +/-    1.27      15.2 +/-    1.27  0.040 / 0.080
G13     232.2          17.1               10.3 +/-    3.10      24.3 +/-    3.10  0.040 / 0.080
G17     6.8            67.0                7.0 +/-    0.82       7.6 +/-    0.82  0.040 / 0.040
G19     300.8          71.1                7.4 +/-    0.71       7.7 +/-    0.71  0.040 / 0.040
G24     313.7          24.8                7.9 +/-    3.32      15.6 +/-    3.32  0.120 / 0.200
G28     81.4           42.7                8.0 +/-    0.27      11.2 +/-    0.27  0.110 / 0.180
G30     155.5          18.1               11.7 +/-    0.94      27.0 +/-    0.94  0.040 / 0.040