PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/07-15:58:10
G07     341.3          60.9               10.9 +/-    0.41      12.3 +/-    0.41  0.100 / 0.260
G08     101.8          51.1               11.0 +/-    0.64      13.7 +/-    0.64  0.150 / 0.350
G09     199.3          76.7               10.5 +/-    1.20      10.8 +/-    1.20  0.080 / 0.480
G11     145.9          13.0               12.0 +/-    2.37      31.4 +/-    2.37  0.080 / 0.470
G16     46.1           10.8                9.0 +/-    1.27      24.6 +/-    1.27  0.040 / 0.040
G23     154.6          43.0               11.4 +/-    1.56      15.8 +/-    1.56  0.030 / 0.040
G27     58.3           33.6                9.0 +/-    0.60      14.7 +/-    0.60  0.050 / 0.070
G28     234.5          23.6               12.5 +/-    1.82      25.2 +/-    1.82  0.050 / 0.070
G30     301.8          36.0               11.2 +/-    1.19      17.5 +/-    1.19  0.040 / 0.080