PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/10-16:57:50
G01     102.4          27.9               13.5 +/-    1.14      24.8 +/-    1.14  0.020 / 0.030
G07     113.4          55.0               14.2 +/-    0.32      16.9 +/-    0.32  0.030 / 0.030
G08     41.8           17.5               10.3 +/-    0.56      24.0 +/-    0.56  0.030 / 0.050
G11     83.0           42.8               13.4 +/-    0.61      18.6 +/-    0.61  0.020 / 0.050
G13     305.8          31.3               12.0 +/-    1.36      20.4 +/-    1.36  0.090 / 0.170
G17     208.4          40.6               15.1 +/-    0.66      21.8 +/-    0.66  0.090 / 0.160
G18     75.5           24.8               13.0 +/-    1.12      25.5 +/-    1.12  0.040 / 0.060
G19     210.7          15.3               -0.5 +/-   17.73      -1.3 +/-   17.73  0.040 / 0.080
G28     327.3          61.6               11.1 +/-    1.04      12.4 +/-    1.04  0.050 / 0.060
G30     48.7           79.7               12.8 +/-    0.69      13.0 +/-    0.69  0.050 / 0.070