PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-14:58:10
G01     127.6          10.3               -9.6 +/-   36.92     -26.5 +/-   36.92  0.120 / 0.130
G07     61.2           67.2                9.4 +/-    0.64      10.1 +/-    0.64  0.120 / 0.120
G08     52.5           41.8                6.7 +/-    0.93       9.4 +/-    0.93  0.070 / 0.100
G09     179.1          39.3               10.2 +/-    0.82      15.0 +/-    0.82  0.090 / 0.110
G11     119.4          35.1                9.6 +/-    0.97      15.2 +/-    0.97  0.030 / 0.030
G17     199.7          12.0                1.4 +/-   19.85       3.6 +/-   19.85  0.030 / 0.030
G18     103.9          15.8                9.0 +/-    2.11      21.9 +/-    2.11  0.100 / 0.360
G27     37.5           9.5                 6.5 +/-    2.92      18.4 +/-    2.92  0.080 / 0.250
G28     268.1          47.6               10.0 +/-    2.76      13.0 +/-    2.76  0.130 / 0.310
G30     335.5          62.0                8.6 +/-    0.69       9.6 +/-    0.69  0.190 / 0.330