PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-19:57:40
G03     185.0          11.1               23.3 +/-    2.29      63.4 +/-    2.29  0.060 / 0.100
G07     298.6          41.8               14.6 +/-    2.51      20.7 +/-    2.51  0.090 / 0.100
G08     138.5          34.0               20.3 +/-    1.06      32.9 +/-    1.06  0.060 / 0.070
G09     316.3          70.4               14.7 +/-    0.76      15.5 +/-    0.76  0.060 / 0.070
G16     41.6           30.8               12.2 +/-    1.33      21.0 +/-    1.33  0.070 / 0.100
G23     135.6          68.8               16.4 +/-    0.67      17.5 +/-    0.67  0.080 / 0.090
G27     87.9           36.3               15.8 +/-    1.51      24.4 +/-    1.51  0.030 / 0.040
G30     281.5          20.4               14.5 +/-    1.98      31.6 +/-    1.98  0.040 / 0.030