PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-17:12:20
G02     309.6          80.2                9.7 +/-    0.47       9.8 +/-    0.47  0.090 / 0.230
G05     166.6          29.0               13.9 +/-    1.36      24.8 +/-    1.36  0.110 / 0.190
G06     40.4           43.4                8.6 +/-    0.63      11.9 +/-    0.63  0.030 / 0.030
G12     316.8          66.1                8.4 +/-    0.80       9.1 +/-    0.80  0.030 / 0.050
G17     80.6           17.0              -10.2 +/-   11.44     -24.2 +/-   11.44  0.080 / 0.160
G19     71.6           28.1                8.7 +/-    0.75      15.9 +/-    0.75  0.080 / 0.160
G24     232.4          25.5               14.0 +/-    1.30      27.0 +/-    1.30  0.040 / 0.060
G25     317.4          24.1                9.2 +/-    3.73      18.3 +/-    3.73  0.040 / 0.070