PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/26-16:28:00
G02     241.0          73.4                7.1 +/-    0.67       7.3 +/-    0.67  0.080 / 0.210
G05     172.0          16.4               10.7 +/-    2.48      25.7 +/-    2.48  0.130 / 0.170
G06     40.9           55.0                8.9 +/-    0.50      10.6 +/-    0.50  0.070 / 0.150
G12     323.1          58.3                6.4 +/-    1.62       7.4 +/-    1.62  0.090 / 0.120
G17     72.5           20.2                8.2 +/-    2.66      18.0 +/-    2.66  0.030 / 0.050
G19     55.0           41.2                8.4 +/-    0.36      12.0 +/-    0.36  0.040 / 0.050
G24     242.0          34.1                9.7 +/-    1.03      15.6 +/-    1.03  0.090 / 0.310
G25     316.8          14.0                4.3 +/-    2.11      10.8 +/-    2.11  0.120 / 0.400