PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-09:27:30
G02     200.9          18.5                4.7 +/-    1.66      10.7 +/-    1.66  0.090 / 0.100
G06     171.0          53.1                8.7 +/-    1.17      10.6 +/-    1.17  0.080 / 0.080
G13     227.2          13.6                4.8 +/-    6.72      12.3 +/-    6.72  0.040 / 0.030
G17     24.4           58.4                3.2 +/-    0.75       3.7 +/-    0.75  0.030 / 0.040
G19     309.6          70.3                3.6 +/-    0.52       3.8 +/-    0.52  0.030 / 0.030
G24     308.2          32.4                3.4 +/-    1.87       5.7 +/-    1.87  0.030 / 0.030
G28     86.1           41.4                4.4 +/-    1.19       6.2 +/-    1.19  0.190 / 0.830
G30     157.6          16.7                6.8 +/-    1.43      16.2 +/-    1.43  0.350 / 0.960