PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-18:28:00
G07     17.2           67.2               11.2 +/-    1.22      12.0 +/-    1.22  0.050 / 0.130
G08     70.4           50.0               11.4 +/-    0.64      14.4 +/-    0.64  0.060 / 0.140
G09     182.1          57.4               11.7 +/-    0.29      13.6 +/-    0.29  0.030 / 0.030
G11     133.5          24.5               15.2 +/-    1.71      30.0 +/-    1.71  0.030 / 0.030
G23     159.5          25.8               11.8 +/-    2.06      22.7 +/-    2.06  0.050 / 0.040
G27     44.2           23.1                9.0 +/-    1.82      18.3 +/-    1.82  0.050 / 0.050
G28     249.6          37.6               13.9 +/-    1.46      21.1 +/-    1.46  0.040 / 0.030
G30     315.9          47.4               11.1 +/-    0.70      14.4 +/-    0.70  0.040 / 0.040