PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-17:57:50
G03     196.8          40.2               11.8 +/-    1.70      17.1 +/-    1.70  0.060 / 0.130
G07     272.4          29.4               11.8 +/-    1.39      21.0 +/-    1.39  0.060 / 0.130
G08     153.5          11.5               16.0 +/-    5.93      43.1 +/-    5.93  0.050 / 0.080
G09     317.1          41.5                9.5 +/-    1.67      13.5 +/-    1.67  0.050 / 0.070
G16     66.0           62.4               10.0 +/-    0.45      11.1 +/-    0.45  0.090 / 0.210
G22     181.9          23.3               12.9 +/-    2.36      26.3 +/-    2.36  0.070 / 0.210
G23     347.5          73.4                9.4 +/-    0.72       9.8 +/-    0.72  0.030 / 0.040
G26     46.1           34.0                8.0 +/-    0.52      12.9 +/-    0.52  0.030 / 0.040
G27     123.7          20.9               14.4 +/-    0.70      31.1 +/-    0.70  0.070 / 0.110