PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-22:57:30
G02     323.5          80.8               10.0 +/-    0.77      10.1 +/-    0.77  0.020 / 0.040
G05     165.2          30.2               13.6 +/-    0.46      23.7 +/-    0.46  0.030 / 0.020
G06     40.9           43.1                9.4 +/-    0.75      13.0 +/-    0.75  0.120 / 0.270
G12     316.3          68.2                9.8 +/-    0.50      10.5 +/-    0.50  0.170 / 0.250
G17     81.9           15.8               11.7 +/-    1.38      28.6 +/-    1.38  0.070 / 0.090
G19     70.2           31.3               10.8 +/-    1.35      18.4 +/-    1.35  0.060 / 0.090
G24     231.2          25.5               13.4 +/-    2.19      25.9 +/-    2.19  0.040 / 0.040
G25     317.7          24.6               10.2 +/-    1.27      20.1 +/-    1.27  0.030 / 0.050