PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-02:28:10
G02     52.9           38.0               10.7 +/-    1.37      16.2 +/-    1.37  0.040 / 0.060
G05     73.7           66.3               11.9 +/-    0.67      12.9 +/-    0.67  0.040 / 0.070
G12     186.6          42.4               14.1 +/-    0.50      19.7 +/-    0.50  0.030 / 0.030
G21     264.0          11.4                0.3 +/-   19.78       0.8 +/-   19.78  0.030 / 0.030
G25     254.2          56.8               12.1 +/-    2.00      14.2 +/-    2.00  0.140 / 0.250
G29     322.0          45.5               12.9 +/-    0.62      17.3 +/-    0.62  0.170 / 0.270