PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-21:13:00
G01     127.5          10.7              -17.1 +/-   19.33     -47.0 +/-   19.33  0.030 / 0.030
G07     61.8           67.3               10.6 +/-    0.52      11.4 +/-    0.52  0.030 / 0.030
G08     50.3           38.8               10.2 +/-    1.31      15.1 +/-    1.31  0.060 / 0.270
G09     178.6          38.0               11.5 +/-    0.69      17.2 +/-    0.69  0.070 / 0.250
G11     117.6          35.4               12.9 +/-    0.61      20.3 +/-    0.61  0.070 / 0.120
G17     198.8          15.3               14.2 +/-    2.26      35.1 +/-    2.26  0.080 / 0.100
G18     101.5          16.1               11.8 +/-    1.35      28.5 +/-    1.35  0.060 / 0.070
G27     37.7           9.9                 7.8 +/-    2.75      21.9 +/-    2.75  0.080 / 0.070
G28     270.5          49.4               11.9 +/-    3.13      15.2 +/-    3.13  0.040 / 0.060
G30     331.9          60.0                9.7 +/-    0.38      11.0 +/-    0.38  0.060 / 0.060