PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-23:12:40
G02     56.3           35.6                9.4 +/-    1.64      14.7 +/-    1.64  0.050 / 0.100
G05     63.3           63.4                9.8 +/-    0.50      10.8 +/-    0.50  0.060 / 0.100
G12     183.7          34.6               12.3 +/-    1.04      19.7 +/-    1.04  0.030 / 0.030
G13     130.8          12.8               13.4 +/-    2.98      35.2 +/-    2.98  0.030 / 0.030
G21     268.2          14.4               11.4 +/-    2.76      28.8 +/-    2.76  0.150 / 0.430
G25     242.4          54.2               11.4 +/-    2.94      13.7 +/-    2.94  0.100 / 0.360
G29     325.2          50.1               10.0 +/-    1.29      12.6 +/-    1.29  0.210 / 0.360