PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/29-19:42:40
G07     333.5          58.1               12.7 +/-    0.65      14.7 +/-    0.65  0.050 / 0.100
G08     104.7          53.0               16.1 +/-    0.61      19.5 +/-    0.61  0.060 / 0.090
G09     193.1          73.4               15.9 +/-    1.01      16.5 +/-    1.01  0.060 / 0.100
G11     147.1          13.0               21.1 +/-    3.12      55.1 +/-    3.12  0.050 / 0.090
G23     154.7          37.5               17.5 +/-    1.15      26.6 +/-    1.15  0.040 / 0.040
G27     53.7           30.7               13.5 +/-    0.51      23.3 +/-    0.51  0.030 / 0.030
G28     238.3          30.7               15.4 +/-    1.73      26.5 +/-    1.73  0.080 / 0.210
G30     304.3          37.8               13.2 +/-    0.89      19.9 +/-    0.89  0.080 / 0.190