PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-20:28:00
G02     327.4          80.0                7.4 +/-    0.54       7.5 +/-    0.54  0.160 / 0.180
G05     165.0          31.0               11.4 +/-    1.97      19.5 +/-    1.97  0.130 / 0.220
G06     40.4           43.4                7.2 +/-    0.62      10.0 +/-    0.62  0.080 / 0.180
G12     315.9          66.0                6.5 +/-    0.83       7.0 +/-    0.83  0.080 / 0.190
G17     82.6           14.4                7.9 +/-    1.61      19.9 +/-    1.61  0.030 / 0.040
G19     72.5           27.8                7.1 +/-    0.89      12.9 +/-    0.89  0.040 / 0.050
G24     230.7          24.6               10.4 +/-    0.74      20.5 +/-    0.74  0.030 / 0.050
G25     317.3          25.6                7.9 +/-    3.72      15.3 +/-    3.72  0.030 / 0.060