PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/25-01:42:50
G02     58.1           33.7                8.6 +/-    1.62      14.0 +/-    1.62  0.050 / 0.110
G05     60.5           61.8                9.6 +/-    0.60      10.7 +/-    0.60  0.060 / 0.070
G12     184.7          34.5               12.1 +/-    0.90      19.3 +/-    0.90  0.100 / 0.200
G13     130.1          13.6               15.1 +/-    2.15      38.8 +/-    2.15  0.120 / 0.350
G15     165.2          10.2               -4.6 +/-   23.06     -12.8 +/-   23.06  0.030 / 0.030
G21     269.2          15.4               10.1 +/-    1.48      25.0 +/-    1.48  0.040 / 0.030
G25     241.5          53.5               11.1 +/-    3.60      13.5 +/-    3.60  0.190 / 0.300
G29     326.2          51.5               10.7 +/-    1.28      13.2 +/-    1.28  0.210 / 0.310