PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/29-19:13:00
G02     58.4           34.8                8.6 +/-    1.43      13.7 +/-    1.43  0.030 / 0.040
G05     58.0           61.4               10.2 +/-    0.40      11.5 +/-    0.40  0.030 / 0.030
G12     181.0          28.1               12.6 +/-    1.49      23.0 +/-    1.49  0.150 / 0.270
G13     127.3          15.6               12.6 +/-    2.64      30.9 +/-    2.64  0.130 / 0.220
G15     166.5          10.9               -1.3 +/-   29.20      -3.5 +/-   29.20  0.080 / 0.080
G21     271.4          16.6               11.5 +/-    1.74      27.5 +/-    1.74  0.080 / 0.090
G25     234.0          51.4               11.3 +/-    2.48      14.0 +/-    2.48  0.060 / 0.090
G29     327.6          53.7                9.1 +/-    0.78      11.1 +/-    0.78  0.060 / 0.140