PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-19:58:10
G02     267.4          79.8                9.0 +/-    0.51       9.1 +/-    0.51  0.090 / 0.180
G05     168.8          22.0               12.5 +/-    0.84      26.3 +/-    0.84  0.090 / 0.190
G06     39.5           52.4                7.8 +/-    0.39       9.6 +/-    0.39  0.110 / 0.270
G12     320.4          56.3                7.8 +/-    0.98       9.2 +/-    0.98  0.140 / 0.270
G17     74.9           19.9                7.8 +/-    0.80      17.1 +/-    0.80  0.040 / 0.040
G19     63.7           33.6                7.8 +/-    0.71      12.7 +/-    0.71  0.030 / 0.040
G24     238.9          30.8               12.9 +/-    1.60      22.3 +/-    1.60  0.030 / 0.060
G25     317.2          17.1                8.5 +/-    2.20      20.0 +/-    2.20  0.040 / 0.060