PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/22-20:12:30
G02     283.4          80.8                8.3 +/-    0.39       8.4 +/-    0.39  0.070 / 0.200
G05     167.8          24.5               11.2 +/-    0.89      22.1 +/-    0.89  0.080 / 0.220
G06     39.5           49.9                7.3 +/-    0.62       9.2 +/-    0.62  0.160 / 0.230
G12     319.8          59.0                7.4 +/-    1.66       8.5 +/-    1.66  0.110 / 0.320
G17     77.1           18.3                7.6 +/-    1.11      17.5 +/-    1.11  0.040 / 0.030
G19     66.2           32.0                7.5 +/-    0.97      12.6 +/-    0.97  0.040 / 0.040
G24     236.4          29.1                9.6 +/-    1.42      17.2 +/-    1.42  0.030 / 0.050
G25     317.4          19.5                8.5 +/-    1.98      18.9 +/-    1.98  0.030 / 0.050