PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-20:58:10
G01     123.8          13.7               18.0 +/-   18.92      46.2 +/-   18.92  0.030 / 0.040
G07     74.5           65.5               15.0 +/-    0.27      16.4 +/-    0.27  0.030 / 0.030
G08     47.3           35.1               12.2 +/-    1.01      19.3 +/-    1.01  0.110 / 0.110
G09     178.1          33.1               18.9 +/-    1.23      31.2 +/-    1.23  0.130 / 0.090
G11     112.3          37.9               17.4 +/-    0.80      26.2 +/-    0.80  0.100 / 0.210
G13     319.8          15.3               11.2 +/-    2.64      27.8 +/-    2.64  0.090 / 0.190
G17     199.5          19.8               23.3 +/-    1.31      51.5 +/-    1.31  0.090 / 0.090
G18     97.1           18.2               15.9 +/-    1.38      36.5 +/-    1.38  0.090 / 0.100
G28     277.3          52.0               15.1 +/-    3.28      18.7 +/-    3.28  0.030 / 0.030
G30     338.0          64.1               14.5 +/-    0.59      16.0 +/-    0.59  0.040 / 0.040