PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-21:27:30
G02     267.0          80.0                9.5 +/-    0.89       9.6 +/-    0.89  0.120 / 0.270
G05     168.7          21.8               14.1 +/-    0.83      29.6 +/-    0.83  0.100 / 0.210
G06     39.3           53.7                9.3 +/-    0.55      11.3 +/-    0.55  0.090 / 0.150
G12     320.5          55.4                7.7 +/-    0.85       9.1 +/-    0.85  0.080 / 0.140
G17     75.0           19.4                8.6 +/-    0.93      19.1 +/-    0.93  0.040 / 0.040
G19     63.1           34.1                9.0 +/-    1.13      14.5 +/-    1.13  0.030 / 0.030
G24     238.9          31.1               14.8 +/-    1.98      25.3 +/-    1.98  0.040 / 0.050
G25     317.1          17.1               11.2 +/-    3.48      26.4 +/-    3.48  0.040 / 0.050