PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/06-04:42:30
G07     343.4          61.5                4.2 +/-    0.46       4.7 +/-    0.46  0.030 / 0.030
G08     86.2           51.5                5.9 +/-    0.59       7.4 +/-    0.59  0.030 / 0.040
G09     178.1          64.6                5.7 +/-    0.42       6.2 +/-    0.42  0.070 / 0.060
G11     141.0          17.1                6.9 +/-    2.06      16.4 +/-    2.06  0.060 / 0.050
G23     157.9          38.5                6.6 +/-    0.48       9.8 +/-    0.48  0.030 / 0.030
G27     52.1           30.4                4.5 +/-    1.14       7.8 +/-    1.14  0.030 / 0.030
G28     240.7          31.9                6.0 +/-    1.98      10.0 +/-    1.98  0.060 / 0.070
G30     304.9          37.0                3.9 +/-    1.23       5.9 +/-    1.23  0.070 / 0.080