PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-00:58:10
G02     201.4          29.5               10.7 +/-    1.35      18.9 +/-    1.35  0.070 / 0.090
G06     173.2          58.9               10.3 +/-    0.55      11.8 +/-    0.55  0.100 / 0.080
G17     32.2           52.0                8.5 +/-    1.28      10.5 +/-    1.28  0.060 / 0.080
G19     346.1          68.5                7.7 +/-    0.68       8.2 +/-    0.68  0.060 / 0.080
G24     301.9          36.5                8.6 +/-    1.44      13.3 +/-    1.44  0.040 / 0.030
G28     94.4           38.0               10.2 +/-    1.64      15.3 +/-    1.64  0.040 / 0.020