PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-14:57:30
G07     334.6          58.6               10.4 +/-    1.08      11.9 +/-    1.08  0.030 / 0.050
G08     98.6           52.6               11.9 +/-    0.42      14.5 +/-    0.42  0.030 / 0.060
G09     188.0          71.6               11.1 +/-    0.61      11.6 +/-    0.61  0.050 / 0.050
G11     145.1          14.1               10.4 +/-    2.14      26.5 +/-    2.14  0.030 / 0.050
G23     155.0          36.9               11.7 +/-    1.20      18.0 +/-    1.20  0.050 / 0.100
G27     53.5           30.8               10.1 +/-    0.73      17.4 +/-    0.73  0.050 / 0.090
G28     238.6          30.8               11.7 +/-    2.26      20.1 +/-    2.26  0.060 / 0.110
G30     303.3          36.3               10.7 +/-    0.64      16.5 +/-    0.64  0.060 / 0.090