PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-14:12:50
G01     123.5          14.5               11.5 +/-    2.02      29.0 +/-    2.02  0.090 / 0.390
G07     65.9           68.7                9.9 +/-    0.43      10.6 +/-    0.43  0.200 / 0.330
G08     47.5           35.9                7.7 +/-    1.16      12.1 +/-    1.16  0.030 / 0.030
G09     176.7          30.2               10.9 +/-    1.12      19.0 +/-    1.12  0.030 / 0.030
G11     112.9          37.6               10.2 +/-    0.92      15.4 +/-    0.92  0.030 / 0.030
G13     319.8          15.4                7.2 +/-    3.24      17.7 +/-    3.24  0.030 / 0.030
G17     200.7          18.8                9.4 +/-    2.11      21.4 +/-    2.11  0.120 / 0.200
G18     99.4           18.7                9.2 +/-    1.61      21.0 +/-    1.61  0.110 / 0.200
G28     283.4          55.1                9.3 +/-    2.37      11.1 +/-    2.37  0.160 / 0.200
G30     337.6          63.8                9.7 +/-    0.73      10.6 +/-    0.73  0.150 / 0.270