PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/26-17:12:30
G02     56.2           36.6               11.5 +/-    1.14      17.7 +/-    1.14  0.120 / 0.280
G05     64.2           65.7               11.9 +/-    0.54      12.9 +/-    0.54  0.240 / 0.300
G12     183.0          32.4               11.7 +/-    1.62      19.5 +/-    1.62  0.080 / 0.080
G13     129.0          14.1               14.0 +/-    2.14      35.6 +/-    2.14  0.090 / 0.050
G21     270.2          16.4               11.9 +/-    1.64      28.6 +/-    1.64  0.060 / 0.100
G25     234.8          52.7               12.6 +/-    4.26      15.4 +/-    4.26  0.070 / 0.090
G29     327.0          52.4               10.9 +/-    1.55      13.4 +/-    1.55  0.030 / 0.030