PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-14:58:10
G07     338.3          59.9                8.8 +/-    0.84      10.0 +/-    0.84  0.060 / 0.100
G08     94.3           53.0                9.3 +/-    0.69      11.3 +/-    0.69  0.070 / 0.080
G09     185.8          69.0                9.4 +/-    0.91      10.0 +/-    0.91  0.030 / 0.050
G11     143.6          15.6               13.1 +/-    1.38      32.2 +/-    1.38  0.030 / 0.050
G23     155.7          34.5                9.9 +/-    0.64      15.9 +/-    0.64  0.030 / 0.050
G27     51.5           29.5                8.5 +/-    0.64      15.0 +/-    0.64  0.030 / 0.050
G28     240.6          32.7               11.1 +/-    1.69      18.4 +/-    1.69  0.070 / 0.100
G30     305.2          37.8                7.9 +/-    1.03      11.9 +/-    1.03  0.050 / 0.100