PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/11-15:58:10
G01     99.5           28.3               11.6 +/-    1.21      21.1 +/-    1.21  0.030 / 0.060
G07     117.6          48.0               11.5 +/-    0.75      14.9 +/-    0.75  0.030 / 0.050
G08     41.7           15.9                8.7 +/-    0.83      21.1 +/-    0.83  0.050 / 0.050
G11     78.9           42.8               10.9 +/-    0.90      15.2 +/-    0.90  0.050 / 0.060
G13     303.4          33.3                9.5 +/-    2.77      15.6 +/-    2.77  0.050 / 0.090
G17     208.3          43.0               12.4 +/-    0.71      17.2 +/-    0.71  0.050 / 0.080
G18     71.8           24.3                9.7 +/-    0.58      19.3 +/-    0.58  0.080 / 0.150
G19     210.2          19.7               -4.2 +/-    6.64      -9.4 +/-    6.64  0.070 / 0.140
G28     319.6          60.3                9.6 +/-    0.94      10.9 +/-    0.94  0.040 / 0.070
G30     75.7           78.2               10.6 +/-    0.79      10.8 +/-    0.79  0.030 / 0.070