PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-23:28:00
G07     59.1           67.9                8.8 +/-    0.63       9.4 +/-    0.63  0.110 / 0.320
G08     50.1           38.3                8.0 +/-    1.46      11.9 +/-    1.46  0.110 / 0.210
G09     177.9          37.3                9.0 +/-    1.24      13.8 +/-    1.24  0.120 / 0.280
G11     117.4          35.3               10.7 +/-    0.92      16.9 +/-    0.92  0.060 / 0.300
G17     198.6          15.8               10.6 +/-    3.84      25.8 +/-    3.84  0.030 / 0.030
G18     100.6          16.0                9.3 +/-    2.22      22.7 +/-    2.22  0.030 / 0.060
G23     161.3          10.3                9.8 +/-    3.36      27.3 +/-    3.36  0.080 / 0.100
G27     37.9           10.4                7.5 +/-    4.02      20.8 +/-    4.02  0.090 / 0.080
G28     271.0          49.9                9.9 +/-    2.34      12.4 +/-    2.34  0.050 / 0.070
G30     330.7          59.3                7.5 +/-    0.69       8.6 +/-    0.69  0.080 / 0.080