PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-21:12:30
G02     329.2          80.0               10.1 +/-    0.94      10.3 +/-    0.94  0.170 / 0.210
G05     164.8          31.1               14.7 +/-    1.65      25.3 +/-    1.65  0.150 / 0.240
G06     40.3           43.7                9.4 +/-    0.64      12.9 +/-    0.64  0.080 / 0.200
G12     316.0          65.7                8.4 +/-    1.20       9.2 +/-    1.20  0.080 / 0.170
G17     82.8           14.0               10.2 +/-    1.32      26.1 +/-    1.32  0.030 / 0.040
G19     72.4           28.0                9.7 +/-    0.46      17.8 +/-    0.46  0.040 / 0.030
G24     230.5          24.6               13.2 +/-    1.06      26.0 +/-    1.06  0.030 / 0.050
G25     317.3          25.7                9.9 +/-    4.32      19.1 +/-    4.32  0.030 / 0.050