PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/09-17:43:00
G02     248.7          76.0               10.5 +/-    0.47      10.8 +/-    0.47  0.100 / 0.150
G05     170.8          18.8               12.7 +/-    3.60      28.7 +/-    3.60  0.080 / 0.140
G06     40.5           52.8                9.3 +/-    0.45      11.3 +/-    0.45  0.100 / 0.110
G12     322.5          60.0                8.7 +/-    0.73       9.9 +/-    0.73  0.100 / 0.090
G17     74.2           19.4                8.5 +/-    2.36      18.9 +/-    2.36  0.380 / 0.310
G19     57.9           39.3                9.6 +/-    1.20      14.2 +/-    1.20  0.260 / 0.290
G24     239.9          32.6               11.3 +/-    1.29      18.8 +/-    1.29  0.020 / 0.040
G25     317.2          15.8                7.5 +/-    1.33      18.3 +/-    1.33  0.030 / 0.030