PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-15:12:50
G01     127.0          10.8               -2.9 +/-   38.82      -8.1 +/-   38.82  0.040 / 0.040
G07     63.5           66.9                9.7 +/-    0.71      10.4 +/-    0.71  0.030 / 0.050
G08     51.8           41.1                8.0 +/-    0.34      11.5 +/-    0.34  0.060 / 0.090
G09     179.1          38.5               10.8 +/-    0.92      16.1 +/-    0.92  0.050 / 0.080
G11     118.5          35.6                8.7 +/-    0.77      13.6 +/-    0.77  0.060 / 0.120
G13     321.0          11.8                4.9 +/-   14.06      13.0 +/-   14.06  0.060 / 0.110
G17     199.7          12.8                9.5 +/-    5.30      24.9 +/-    5.30  0.240 / 0.530
G18     103.1          16.2                9.4 +/-    1.02      22.7 +/-    1.02  0.160 / 0.360
G28     269.2          48.1                9.7 +/-    0.94      12.6 +/-    0.94  0.080 / 0.250