PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-02:28:00
G02     61.1           31.1               10.0 +/-    1.08      17.1 +/-    1.08  0.060 / 0.140
G05     55.5           58.6               11.6 +/-    0.52      13.3 +/-    0.52  0.060 / 0.100
G12     184.3          31.0               15.5 +/-    1.43      26.7 +/-    1.43  0.030 / 0.040
G13     127.4          16.0               13.7 +/-    3.07      33.3 +/-    3.07  0.030 / 0.040
G15     163.1          13.1               14.2 +/-    1.73      36.9 +/-    1.73  0.060 / 0.120
G20     218.8          16.9               16.4 +/-    2.95      39.0 +/-    2.95  0.060 / 0.110
G21     272.2          17.7               12.9 +/-    3.01      30.1 +/-    3.01  0.030 / 0.070
G25     236.1          51.1               13.2 +/-    0.71      16.5 +/-    0.71  0.040 / 0.060
G29     328.5          55.0               11.6 +/-    0.61      13.8 +/-    0.61  0.100 / 0.270