PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/10-18:12:50
G01     124.0          14.2               16.6 +/-    2.66      42.1 +/-    2.66  0.040 / 0.060
G07     63.2           69.1               12.6 +/-    0.49      13.4 +/-    0.49  0.040 / 0.060
G08     49.1           39.0               10.8 +/-    0.55      16.0 +/-    0.55  0.060 / 0.130
G09     177.9          32.3               15.5 +/-    1.11      25.9 +/-    1.11  0.060 / 0.120
G11     115.4          37.2               15.2 +/-    0.97      23.3 +/-    0.97  0.180 / 0.420
G13     320.1          14.6                9.3 +/-    2.98      23.4 +/-    2.98  0.180 / 0.340
G17     201.6          15.6               18.1 +/-    1.71      44.4 +/-    1.71  0.040 / 0.060
G18     100.6          18.4               13.7 +/-    0.98      31.2 +/-    0.98  0.040 / 0.070
G28     282.9          55.0               13.5 +/-    1.15      16.1 +/-    1.15  0.030 / 0.040
G30     339.6          64.6               12.0 +/-    0.65      13.1 +/-    0.65  0.020 / 0.040