PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/05-16:28:00
G01     123.5          14.6               15.2 +/-    2.71      38.2 +/-    2.71  0.040 / 0.070
G07     65.4           68.8               13.0 +/-    0.71      13.8 +/-    0.71  0.050 / 0.060
G08     48.1           37.3               11.5 +/-    0.65      17.5 +/-    0.65  0.030 / 0.030
G09     177.4          31.0               14.5 +/-    1.50      24.9 +/-    1.50  0.030 / 0.040
G11     113.9          37.6               14.9 +/-    1.13      22.6 +/-    1.13  0.060 / 0.190
G13     319.8          15.2                9.8 +/-    2.72      24.3 +/-    2.72  0.050 / 0.190
G17     201.3          17.4               14.5 +/-    1.03      34.1 +/-    1.03  0.050 / 0.050
G18     99.8           18.7               14.5 +/-    1.17      32.9 +/-    1.17  0.030 / 0.040
G28     283.7          55.2               12.8 +/-    1.13      15.2 +/-    1.13  0.050 / 0.120
G30     339.1          64.5               12.2 +/-    0.76      13.4 +/-    0.76  0.050 / 0.120