PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/26-04:12:30
G10     249.2          25.4               10.7 +/-    1.73      20.7 +/-    1.73  0.200 / 0.610
G13     55.2           31.0                7.8 +/-    0.62      13.5 +/-    0.62  0.160 / 0.580
G15     90.2           57.8                8.4 +/-    0.95       9.7 +/-    0.95  0.050 / 0.040
G16     296.5          15.7                8.1 +/-    3.47      19.9 +/-    3.47  0.030 / 0.050
G20     284.0          63.4                8.0 +/-    0.84       8.8 +/-    0.84  0.080 / 0.110
G21     331.0          58.7                6.8 +/-    0.67       7.9 +/-    0.67  0.080 / 0.130
G26     268.0          16.3               10.1 +/-    1.91      24.3 +/-    1.91  0.080 / 0.140
G29     164.7          52.5                9.4 +/-    0.77      11.5 +/-    0.77  0.070 / 0.180