PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-22:27:50
G01     85.8           32.7               12.0 +/-    0.50      19.9 +/-    0.50  0.060 / 0.100
G07     128.7          42.7               13.6 +/-    0.99      18.9 +/-    0.99  0.060 / 0.110
G11     66.8           39.7                9.8 +/-    0.40      14.3 +/-    0.40  0.040 / 0.060
G13     290.7          36.6               11.5 +/-    0.91      17.8 +/-    0.91  0.030 / 0.050
G15     312.4          11.9                6.6 +/-   12.84      17.6 +/-   12.84  0.070 / 0.130
G17     218.1          53.4               13.9 +/-    1.13      16.8 +/-    1.13  0.050 / 0.120
G18     60.6           23.3                9.9 +/-    0.56      20.2 +/-    0.56  0.050 / 0.050
G19     216.5          30.1               15.4 +/-    1.04      26.8 +/-    1.04  0.050 / 0.060
G28     357.5          61.4               10.2 +/-    1.32      11.5 +/-    1.32  0.060 / 0.100
G30     117.2          70.5               12.6 +/-    0.67      13.3 +/-    0.67  0.060 / 0.080