PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-12:28:00
G02     58.5           33.6                3.6 +/-    0.90       5.9 +/-    0.90  0.110 / 0.230
G05     61.3           63.9                5.3 +/-    1.00       5.9 +/-    1.00  0.110 / 0.250
G12     185.0          34.0                5.7 +/-    2.22       9.2 +/-    2.22  0.130 / 0.360
G13     128.4          14.5                5.9 +/-    3.06      15.0 +/-    3.06  0.130 / 0.300
G15     165.6          10.8               -2.9 +/-   16.84      -8.0 +/-   16.84  0.080 / 0.100
G21     271.8          19.0                4.9 +/-    1.76      11.0 +/-    1.76  0.070 / 0.090
G25     228.3          51.4                7.0 +/-    1.16       8.7 +/-    1.16  0.050 / 0.060
G29     329.0          54.8                3.3 +/-    1.89       3.9 +/-    1.89  0.040 / 0.050