PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-14:57:30
G07     329.1          56.5               11.2 +/-    1.08      13.2 +/-    1.08  0.030 / 0.050
G08     105.2          51.5               15.4 +/-    0.51      19.1 +/-    0.51  0.030 / 0.060
G09     193.7          75.6               13.9 +/-    0.61      14.3 +/-    0.61  0.030 / 0.040
G11     147.6          11.7               13.2 +/-    1.86      35.5 +/-    1.86  0.040 / 0.040
G23     153.6          40.7               15.7 +/-    0.46      22.6 +/-    0.46  0.030 / 0.080
G27     57.1           32.7               12.1 +/-    0.74      20.1 +/-    0.74  0.040 / 0.070
G28     235.7          27.9               15.5 +/-    0.90      28.3 +/-    0.90  0.090 / 0.120
G30     300.4          33.8               11.9 +/-    0.71      19.3 +/-    0.71  0.080 / 0.100