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               10.4 +/-    2.01      18.9 +/-    2.01  0.040 / 0.060
G07     117.6          48.0               11.2 +/-    0.48      14.5 +/-    0.48  0.060 / 0.050
G08     41.7           15.9                9.0 +/-    2.88      21.8 +/-    2.88  0.050 / 0.060
G11     78.9           42.8               11.0 +/-    0.86      15.3 +/-    0.86  0.040 / 0.070
G13     303.4          33.3                8.4 +/-    1.38      13.8 +/-    1.38  0.030 / 0.050
G17     208.3          43.0               12.1 +/-    0.94      16.7 +/-    0.94  0.040 / 0.050
G18     71.8           24.3               10.5 +/-    1.38      20.8 +/-    1.38  0.080 / 0.120
G19     210.2          19.7               -1.3 +/-   11.23      -2.8 +/-   11.23  0.090 / 0.140
G28     319.6          60.3                9.0 +/-    0.86      10.2 +/-    0.86  0.050 / 0.070
G30     75.7           78.2               10.5 +/-    0.78      10.7 +/-    0.78  0.040 / 0.070