PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-06:43:10
G01     124.4          13.8                8.9 +/-    2.00      22.7 +/-    2.00  0.100 / 0.080
G07     64.9           68.1                9.4 +/-    0.39      10.0 +/-    0.39  0.070 / 0.070
G08     47.9           35.9                7.5 +/-    0.94      11.7 +/-    0.94  0.030 / 0.030
G09     177.5          32.5                9.9 +/-    1.95      16.5 +/-    1.95  0.030 / 0.030
G11     114.1          36.2               10.8 +/-    1.06      16.8 +/-    1.06  0.090 / 0.050
G13     320.9          12.7                5.2 +/-    1.95      13.6 +/-    1.95  0.070 / 0.060
G17     199.9          19.7                8.2 +/-    2.89      18.1 +/-    2.89  0.150 / 0.180
G28     282.5          54.9                9.0 +/-    2.95      10.7 +/-    2.95  0.110 / 0.170
G30     337.6          63.2                9.1 +/-    0.85      10.1 +/-    0.85  0.160 / 0.280