PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-21:28:10
G02     259.9          79.3                9.4 +/-    0.77       9.6 +/-    0.77  0.140 / 0.390
G05     169.3          20.6               13.3 +/-    0.64      28.9 +/-    0.64  0.160 / 0.410
G06     39.4           55.1                9.6 +/-    0.17      11.4 +/-    0.17  0.100 / 0.140
G12     320.6          53.9                9.0 +/-    2.05      10.8 +/-    2.05  0.100 / 0.140
G17     73.8           20.2                8.5 +/-    0.65      18.7 +/-    0.65  0.030 / 0.040
G19     61.7           35.0                8.7 +/-    0.55      13.8 +/-    0.55  0.040 / 0.040
G24     240.2          31.9               12.4 +/-    1.15      20.9 +/-    1.15  0.030 / 0.080
G25     317.0          15.9                8.2 +/-    2.98      20.0 +/-    2.98  0.030 / 0.070